47646231651 has 12 divisors (see below), whose sum is σ = 70500928680. Its totient is φ = 30989418720.

The previous prime is 47646231629. The next prime is 47646231697. The reversal of 47646231651 is 15613264674.

47646231651 is a `hidden beast` number, since 4 + 7 + 6 + 4 + 623 + 16 + 5 + 1 = 666.

It is not a de Polignac number, because 47646231651 - 2¹⁵ = 47646198883 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 47646231597 and 47646231606.

It is not an unprimeable number, because it can be changed into a prime (47646231751) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 64560921 + ... + 64561658.

It is an arithmetic number, because the mean of its divisors is an integer number (5875077390).

Almost surely, 2^47646231651 is an apocalyptic number.

47646231651 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

47646231651 is a deficient number, since it is larger than the sum of its proper divisors (22854697029).

47646231651 is a wasteful number, since it uses less digits than its factorization.

47646231651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129122626 (or 129122623 counting only the distinct ones).

The product of its digits is 725760, while the sum is 45.

The spelling of 47646231651 in words is "forty-seven billion, six hundred forty-six million, two hundred thirty-one thousand, six hundred fifty-one".