4651506456531 has 16 divisors (see below), whose sum is σ = 6770957149440. Its totient is φ = 2816957498720.

The previous prime is 4651506456523. The next prime is 4651506456581. The reversal of 4651506456531 is 1356546051564.

It is a cyclic number.

It is not a de Polignac number, because 4651506456531 - 2³ = 4651506456523 is a prime.

It is a super-2 number, since 2×4651506456531² (a number of 26 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (4651506456581) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53388900 + ... + 53475953.

It is an arithmetic number, because the mean of its divisors is an integer number (423184821840).

Almost surely, 2^{4651506456531} is an apocalyptic number.

4651506456531 is a deficient number, since it is larger than the sum of its proper divisors (2119450692909).

4651506456531 is a wasteful number, since it uses less digits than its factorization.

4651506456531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106866186.

The product of its (nonzero) digits is 6480000, while the sum is 51.

The spelling of 4651506456531 in words is "four trillion, six hundred fifty-one billion, five hundred six million, four hundred fifty-six thousand, five hundred thirty-one".