42419915725 has 24 divisors (see below), whose sum is σ = 57714332832. Its totient is φ = 30672484800.

The previous prime is 42419915719. The next prime is 42419915789. The reversal of 42419915725 is 52751991424.

42419915725 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 42419915725 - 2⁷ = 42419915597 is a prime.

It is a super-2 number, since 2×42419915725² (a number of 22 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (49) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 398247 + ... + 493396.

It is an arithmetic number, because the mean of its divisors is an integer number (2404763868).

Almost surely, 2^42419915725 is an apocalyptic number.

It is an amenable number.

42419915725 is a deficient number, since it is larger than the sum of its proper divisors (15294417107).

42419915725 is a wasteful number, since it uses less digits than its factorization.

42419915725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 891837 (or 891832 counting only the distinct ones).

The product of its digits is 907200, while the sum is 49.

The spelling of 42419915725 in words is "forty-two billion, four hundred nineteen million, nine hundred fifteen thousand, seven hundred twenty-five".