46177821553 has 2 divisors, whose sum is σ = 46177821554. Its totient is φ = 46177821552.

The previous prime is 46177821511. The next prime is 46177821581. The reversal of 46177821553 is 35512877164.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23853875809 + 22323945744 = 154447^2 + 149412^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-46177821553 is a prime.

It is a super-2 number, since 2×46177821553² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 46177821497 and 46177821506.

It is not a weakly prime, because it can be changed into another prime (46177821583) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23088910776 + 23088910777.

It is an arithmetic number, because the mean of its divisors is an integer number (23088910777).

Almost surely, 2^46177821553 is an apocalyptic number.

It is an amenable number.

46177821553 is a deficient number, since it is larger than the sum of its proper divisors (1).

46177821553 is an equidigital number, since it uses as much as digits as its factorization.

46177821553 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1411200, while the sum is 49.

The spelling of 46177821553 in words is "forty-six billion, one hundred seventy-seven million, eight hundred twenty-one thousand, five hundred fifty-three".