650401142921926 has 96 divisors (see below), whose sum is σ = 1134437080896000. Its totient is φ = 278679125229120.

The previous prime is 650401142921917. The next prime is 650401142921927. The reversal of 650401142921926 is 629129241104056.

It is a super-2 number, since 2×650401142921926² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (650401142921927) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1359127285 + ... + 1359605743.

It is an arithmetic number, because the mean of its divisors is an integer number (11817052926000).

Almost surely, 2^{650401142921926} is an apocalyptic number.

650401142921926 is a deficient number, since it is larger than the sum of its proper divisors (484035937974074).

650401142921926 is a wasteful number, since it uses less digits than its factorization.

650401142921926 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 479978 (or 479967 counting only the distinct ones).

The product of its (nonzero) digits is 1866240, while the sum is 52.

The spelling of 650401142921926 in words is "six hundred fifty trillion, four hundred one billion, one hundred forty-two million, nine hundred twenty-one thousand, nine hundred twenty-six".