651142253222094 has 64 divisors (see below), whose sum is σ = 1387537230643200. Its totient is φ = 203117852361312.

The previous prime is 651142253222017. The next prime is 651142253222107. The reversal of 651142253222094 is 490222352241156.

It is a happy number.

It is a super-2 number, since 2×651142253222094² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 62364397 + ... + 72052775.

It is an arithmetic number, because the mean of its divisors is an integer number (21680269228800).

Almost surely, 2^{651142253222094} is an apocalyptic number.

651142253222094 is an abundant number, since it is smaller than the sum of its proper divisors (736394977421106).

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

651142253222094 is a wasteful number, since it uses less digits than its factorization.

651142253222094 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9695589.

The product of its (nonzero) digits is 2073600, while the sum is 48.

The spelling of 651142253222094 in words is "six hundred fifty-one trillion, one hundred forty-two billion, two hundred fifty-three million, two hundred twenty-two thousand, ninety-four".