1625203459413 has 16 divisors (see below), whose sum is σ = 2407761533760. Its totient is φ = 1083445255728.

The previous prime is 1625203459309. The next prime is 1625203459421. The reversal of 1625203459413 is 3149543025261.

1625203459413 is a `hidden beast` number, since 1 + 6 + 2 + 5 + 20 + 34 + 594 + 1 + 3 = 666.

It is not a de Polignac number, because 1625203459413 - 2³² = 1620908492117 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1625203459433) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 644331 + ... + 1914567.

It is an arithmetic number, because the mean of its divisors is an integer number (150485095860).

Almost surely, 2^{1625203459413} is an apocalyptic number.

It is an amenable number.

1625203459413 is a deficient number, since it is larger than the sum of its proper divisors (782558074347).

1625203459413 is a wasteful number, since it uses less digits than its factorization.

1625203459413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1317633 (or 1317627 counting only the distinct ones).

The product of its (nonzero) digits is 777600, while the sum is 45.

The spelling of 1625203459413 in words is "one trillion, six hundred twenty-five billion, two hundred three million, four hundred fifty-nine thousand, four hundred thirteen".