46651913521 has 2 divisors, whose sum is σ = 46651913522. Its totient is φ = 46651913520.

The previous prime is 46651913513. The next prime is 46651913569. The reversal of 46651913521 is 12531915664.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 46397160000 + 254753521 = 215400^2 + 15961^2 .

It is a cyclic number.

It is not a de Polignac number, because 46651913521 - 2³ = 46651913513 is a prime.

It is not a weakly prime, because it can be changed into another prime (46651913821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23325956760 + 23325956761.

It is an arithmetic number, because the mean of its divisors is an integer number (23325956761).

Almost surely, 2^46651913521 is an apocalyptic number.

It is an amenable number.

46651913521 is a deficient number, since it is larger than the sum of its proper divisors (1).

46651913521 is an equidigital number, since it uses as much as digits as its factorization.

46651913521 is an evil number, because the sum of its binary digits is even.

The product of its digits is 194400, while the sum is 43.

The spelling of 46651913521 in words is "forty-six billion, six hundred fifty-one million, nine hundred thirteen thousand, five hundred twenty-one".