1625547496923 has 128 divisors (see below), whose sum is σ = 2966809190400. Its totient is φ = 858855312000.

The previous prime is 1625547496919. The next prime is 1625547496997. The reversal of 1625547496923 is 3296947455261.

It is a happy number.

1625547496923 is a `hidden beast` number, since 1 + 6 + 2 + 5 + 54 + 7 + 496 + 92 + 3 = 666.

It is not a de Polignac number, because 1625547496923 - 2² = 1625547496919 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is not an unprimeable number, because it can be changed into a prime (1625547496123) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 242579473 + ... + 242586173.

It is an arithmetic number, because the mean of its divisors is an integer number (23178196800).

Almost surely, 2^{1625547496923} is an apocalyptic number.

1625547496923 is a deficient number, since it is larger than the sum of its proper divisors (1341261693477).

1625547496923 is a wasteful number, since it uses less digits than its factorization.

1625547496923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8350 (or 8344 counting only the distinct ones).

The product of its digits is 97977600, while the sum is 63.

The spelling of 1625547496923 in words is "one trillion, six hundred twenty-five billion, five hundred forty-seven million, four hundred ninety-six thousand, nine hundred twenty-three".