625347519336642 has 64 divisors (see below), whose sum is σ = 1324594809667584. Its totient is φ = 196403873022720.

The previous prime is 625347519336611. The next prime is 625347519336643. The reversal of 625347519336642 is 246633915743526.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (625347519336643) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 287679018 + ... + 289844634.

It is an arithmetic number, because the mean of its divisors is an integer number (20696793901056).

Almost surely, 2^{625347519336642} is an apocalyptic number.

625347519336642 is an abundant number, since it is smaller than the sum of its proper divisors (699247290330942).

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

625347519336642 is a wasteful number, since it uses less digits than its factorization.

625347519336642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2196943.

The product of its digits is 587865600, while the sum is 66.

The spelling of 625347519336642 in words is "six hundred twenty-five trillion, three hundred forty-seven billion, five hundred nineteen million, three hundred thirty-six thousand, six hundred forty-two".