1625245634242 has 8 divisors (see below), whose sum is σ = 2474254547856. Its totient is φ = 800494118292.

The previous prime is 1625245634231. The next prime is 1625245634263. The reversal of 1625245634242 is 2424365425261.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 1625245634192 and 1625245634201.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6064349248 + ... + 6064349515.

It is an arithmetic number, because the mean of its divisors is an integer number (309281818482).

Almost surely, 2^{1625245634242} is an apocalyptic number.

1625245634242 is a deficient number, since it is larger than the sum of its proper divisors (849008913614).

1625245634242 is a wasteful number, since it uses less digits than its factorization.

1625245634242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12128698832.

The product of its digits is 2764800, while the sum is 46.

The spelling of 1625245634242 in words is "one trillion, six hundred twenty-five billion, two hundred forty-five million, six hundred thirty-four thousand, two hundred forty-two".