651013542291 has 48 divisors (see below), whose sum is σ = 1033528377600. Its totient is φ = 363339829440.

The previous prime is 651013542259. The next prime is 651013542313. The reversal of 651013542291 is 192245310156.

It is a happy number.

It is not a de Polignac number, because 651013542291 - 2⁵ = 651013542259 is a prime.

It is not an unprimeable number, because it can be changed into a prime (651013542251) 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, 825285 + ... + 1408233.

It is an arithmetic number, because the mean of its divisors is an integer number (21531841200).

Almost surely, 2^651013542291 is an apocalyptic number.

651013542291 is a deficient number, since it is larger than the sum of its proper divisors (382514835309).

651013542291 is a wasteful number, since it uses less digits than its factorization.

651013542291 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 583144 (or 583137 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 39.

The spelling of 651013542291 in words is "six hundred fifty-one billion, thirteen million, five hundred forty-two thousand, two hundred ninety-one".