1625630853053 has 4 divisors (see below), whose sum is σ = 1626234506268. Its totient is φ = 1625027199840.

The previous prime is 1625630853043. The next prime is 1625630853059. The reversal of 1625630853053 is 3503580365261.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1112828778649 + 512802074404 = 1054907^2 + 716102^2 .

It is a cyclic number.

It is not a de Polignac number, because 1625630853053 - 2²⁸ = 1625362417597 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1625630852989 and 1625630853007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1625630853059) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 301822568 + ... + 301827953.

It is an arithmetic number, because the mean of its divisors is an integer number (406558626567).

Almost surely, 2^{1625630853053} is an apocalyptic number.

It is an amenable number.

1625630853053 is a deficient number, since it is larger than the sum of its proper divisors (603653215).

1625630853053 is an equidigital number, since it uses as much as digits as its factorization.

1625630853053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 603653214.

The product of its (nonzero) digits is 1944000, while the sum is 47.

The spelling of 1625630853053 in words is "one trillion, six hundred twenty-five billion, six hundred thirty million, eight hundred fifty-three thousand, fifty-three".