1625472789712 has 40 divisors (see below), whose sum is σ = 3266739538304. Its totient is φ = 782961064704.

The previous prime is 1625472789653. The next prime is 1625472789749. The reversal of 1625472789712 is 2179872745261.

It is a happy number.

It is a super-2 number, since 2×1625472789712² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 16132008 + ... + 16232455.

Almost surely, 2^{1625472789712} is an apocalyptic number.

It is an amenable number.

1625472789712 is an abundant number, since it is smaller than the sum of its proper divisors (1641266748592).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1625472789712 is a wasteful number, since it uses less digits than its factorization.

1625472789712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32364587 (or 32364581 counting only the distinct ones).

The product of its digits is 23708160, while the sum is 61.

The spelling of 1625472789712 in words is "one trillion, six hundred twenty-five billion, four hundred seventy-two million, seven hundred eighty-nine thousand, seven hundred twelve".