42192219920397 has 4 divisors (see below), whose sum is σ = 56256293227200. Its totient is φ = 28128146613596.

The previous prime is 42192219920393. The next prime is 42192219920407. The reversal of 42192219920397 is 79302991229124.

42192219920397 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 42192219920397 - 2² = 42192219920393 is a prime.

It is a super-2 number, since 2×42192219920397² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 42192219920397.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42192219920393) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7032036653397 + ... + 7032036653402.

It is an arithmetic number, because the mean of its divisors is an integer number (14064073306800).

Almost surely, 2^{42192219920397} is an apocalyptic number.

It is an amenable number.

42192219920397 is a deficient number, since it is larger than the sum of its proper divisors (14064073306803).

42192219920397 is a wasteful number, since it uses less digits than its factorization.

42192219920397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14064073306802.

The product of its (nonzero) digits is 8817984, while the sum is 60.

The spelling of 42192219920397 in words is "forty-two trillion, one hundred ninety-two billion, two hundred nineteen million, nine hundred twenty thousand, three hundred ninety-seven".