42951225599 has 32 divisors (see below), whose sum is σ = 46562688000. Its totient is φ = 39494093184.

The previous prime is 42951225571. The next prime is 42951225601. The reversal of 42951225599 is 99552215924.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42951225599 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (53).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 42951225599.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42951225539) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 43079969 + ... + 43080965.

It is an arithmetic number, because the mean of its divisors is an integer number (1455084000).

Almost surely, 2^42951225599 is an apocalyptic number.

42951225599 is a deficient number, since it is larger than the sum of its proper divisors (3611462401).

42951225599 is a wasteful number, since it uses less digits than its factorization.

42951225599 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1487.

The product of its digits is 2916000, while the sum is 53.

The spelling of 42951225599 in words is "forty-two billion, nine hundred fifty-one million, two hundred twenty-five thousand, five hundred ninety-nine".