45077667521 has 2 divisors, whose sum is σ = 45077667522. Its totient is φ = 45077667520.

The previous prime is 45077667487. The next prime is 45077667527. The reversal of 45077667521 is 12576677054.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 30639001600 + 14438665921 = 175040^2 + 120161^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45077667521 is a prime.

It is a super-2 number, since 2×45077667521² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 45077667521.

It is not a weakly prime, because it can be changed into another prime (45077667527) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22538833760 + 22538833761.

It is an arithmetic number, because the mean of its divisors is an integer number (22538833761).

Almost surely, 2^45077667521 is an apocalyptic number.

It is an amenable number.

45077667521 is a deficient number, since it is larger than the sum of its proper divisors (1).

45077667521 is an equidigital number, since it uses as much as digits as its factorization.

45077667521 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2469600, while the sum is 50.

The spelling of 45077667521 in words is "forty-five billion, seventy-seven million, six hundred sixty-seven thousand, five hundred twenty-one".