46815724321 has 2 divisors, whose sum is σ = 46815724322. Its totient is φ = 46815724320.

The previous prime is 46815724303. The next prime is 46815724331. The reversal of 46815724321 is 12342751864.

46815724321 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 43004390625 + 3811333696 = 207375^2 + 61736^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-46815724321 is a prime.

It is a super-2 number, since 2×46815724321² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (46815724331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23407862160 + 23407862161.

It is an arithmetic number, because the mean of its divisors is an integer number (23407862161).

Almost surely, 2^46815724321 is an apocalyptic number.

It is an amenable number.

46815724321 is a deficient number, since it is larger than the sum of its proper divisors (1).

46815724321 is an equidigital number, since it uses as much as digits as its factorization.

46815724321 is an evil number, because the sum of its binary digits is even.

The product of its digits is 322560, while the sum is 43.

The spelling of 46815724321 in words is "forty-six billion, eight hundred fifteen million, seven hundred twenty-four thousand, three hundred twenty-one".