651332461461 has 16 divisors (see below), whose sum is σ = 948866096640. Its totient is φ = 394133019120.

The previous prime is 651332461447. The next prime is 651332461469. The reversal of 651332461461 is 164164233156.

It is a happy number.

651332461461 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 651332461461 - 2¹⁰ = 651332460437 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (651332461469) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15326641 + ... + 15369078.

It is an arithmetic number, because the mean of its divisors is an integer number (59304131040).

Almost surely, 2^651332461461 is an apocalyptic number.

It is an amenable number.

651332461461 is a deficient number, since it is larger than the sum of its proper divisors (297533635179).

651332461461 is a wasteful number, since it uses less digits than its factorization.

651332461461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30696376.

The product of its digits is 311040, while the sum is 42.

The spelling of 651332461461 in words is "six hundred fifty-one billion, three hundred thirty-two million, four hundred sixty-one thousand, four hundred sixty-one".