645933010498 has 16 divisors (see below), whose sum is σ = 977826769920. Its totient is φ = 319990986000.

The previous prime is 645933010487. The next prime is 645933010501. The reversal of 645933010498 is 894010339546.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8247423 + ... + 8325373.

It is an arithmetic number, because the mean of its divisors is an integer number (61114173120).

Almost surely, 2^645933010498 is an apocalyptic number.

645933010498 is a deficient number, since it is larger than the sum of its proper divisors (331893759422).

645933010498 is a wasteful number, since it uses less digits than its factorization.

645933010498 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116073.

The product of its (nonzero) digits is 2799360, while the sum is 52.

The spelling of 645933010498 in words is "six hundred forty-five billion, nine hundred thirty-three million, ten thousand, four hundred ninety-eight".