45399715769 has 2 divisors, whose sum is σ = 45399715770. Its totient is φ = 45399715768.

The previous prime is 45399715747. The next prime is 45399715799. The reversal of 45399715769 is 96751799354.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 35763348544 + 9636367225 = 189112^2 + 98165^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45399715769 is a prime.

It is a super-2 number, since 2×45399715769² (a number of 22 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (45399715799) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22699857884 + 22699857885.

It is an arithmetic number, because the mean of its divisors is an integer number (22699857885).

Almost surely, 2^45399715769 is an apocalyptic number.

It is an amenable number.

45399715769 is a deficient number, since it is larger than the sum of its proper divisors (1).

45399715769 is an equidigital number, since it uses as much as digits as its factorization.

45399715769 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 64297800, while the sum is 65.

The spelling of 45399715769 in words is "forty-five billion, three hundred ninety-nine million, seven hundred fifteen thousand, seven hundred sixty-nine".