469145517925 has 72 divisors (see below), whose sum is σ = 690777847656. Its totient is φ = 315039029760.

The previous prime is 469145517923. The next prime is 469145517949. The reversal of 469145517925 is 529715541964.

It can be written as a sum of positive squares in 12 ways, for example, as 342385308769 + 126760209156 = 585137^2 + 356034^2 .

It is not a de Polignac number, because 469145517925 - 2¹ = 469145517923 is a prime.

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 469145517925.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (469145517923) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 36156739 + ... + 36169711.

It is an arithmetic number, because the mean of its divisors is an integer number (9594136773).

Almost surely, 2^469145517925 is an apocalyptic number.

It is an amenable number.

469145517925 is a deficient number, since it is larger than the sum of its proper divisors (221632329731).

469145517925 is a wasteful number, since it uses less digits than its factorization.

469145517925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13607 (or 13595 counting only the distinct ones).

The product of its digits is 13608000, while the sum is 58.

The spelling of 469145517925 in words is "four hundred sixty-nine billion, one hundred forty-five million, five hundred seventeen thousand, nine hundred twenty-five".