625632513378 has 32 divisors (see below), whose sum is σ = 1273703978880. Its totient is φ = 204835382400.

The previous prime is 625632513301. The next prime is 625632513383. The reversal of 625632513378 is 873315236526.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 625632513378.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3798825 + ... + 3960092.

It is an arithmetic number, because the mean of its divisors is an integer number (39803249340).

Almost surely, 2^625632513378 is an apocalyptic number.

625632513378 is an abundant number, since it is smaller than the sum of its proper divisors (648071465502).

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

625632513378 is a wasteful number, since it uses less digits than its factorization.

625632513378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7759162.

The product of its digits is 5443200, while the sum is 51.

The spelling of 625632513378 in words is "six hundred twenty-five billion, six hundred thirty-two million, five hundred thirteen thousand, three hundred seventy-eight".