42819850997 has 8 divisors (see below), whose sum is σ = 53385788352. Its totient is φ = 33366117600.

The previous prime is 42819850993. The next prime is 42819851017. The reversal of 42819850997 is 79905891824.

42819850997 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 42819850997 - 2² = 42819850993 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42819850993) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 278050904 + ... + 278051057.

It is an arithmetic number, because the mean of its divisors is an integer number (6673223544).

Almost surely, 2^42819850997 is an apocalyptic number.

It is an amenable number.

42819850997 is a deficient number, since it is larger than the sum of its proper divisors (10565937355).

42819850997 is a wasteful number, since it uses less digits than its factorization.

42819850997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 556101979.

The product of its (nonzero) digits is 13063680, while the sum is 62.

The spelling of 42819850997 in words is "forty-two billion, eight hundred nineteen million, eight hundred fifty thousand, nine hundred ninety-seven".