42651859377 has 4 divisors (see below), whose sum is σ = 56869145840. Its totient is φ = 28434572916.

The previous prime is 42651859363. The next prime is 42651859381. The reversal of 42651859377 is 77395815624.

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 not a de Polignac number, because 42651859377 - 2²⁸ = 42383423921 is a prime.

It is a super-2 number, since 2×42651859377² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42651859307) 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, 7108643227 + ... + 7108643232.

It is an arithmetic number, because the mean of its divisors is an integer number (14217286460).

Almost surely, 2^42651859377 is an apocalyptic number.

It is an amenable number.

42651859377 is a deficient number, since it is larger than the sum of its proper divisors (14217286463).

42651859377 is a wasteful number, since it uses less digits than its factorization.

42651859377 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14217286462.

The product of its digits is 12700800, while the sum is 57.

The spelling of 42651859377 in words is "forty-two billion, six hundred fifty-one million, eight hundred fifty-nine thousand, three hundred seventy-seven".