45964636493 has 2 divisors, whose sum is σ = 45964636494. Its totient is φ = 45964636492.

The previous prime is 45964636489. The next prime is 45964636513. The reversal of 45964636493 is 39463646954.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 26191214569 + 19773421924 = 161837^2 + 140618^2 .

It is a cyclic number.

It is not a de Polignac number, because 45964636493 - 2² = 45964636489 is a prime.

It is a super-2 number, since 2×45964636493² (a number of 22 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45964636463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22982318246 + 22982318247.

It is an arithmetic number, because the mean of its divisors is an integer number (22982318247).

Almost surely, 2^45964636493 is an apocalyptic number.

It is an amenable number.

45964636493 is a deficient number, since it is larger than the sum of its proper divisors (1).

45964636493 is an equidigital number, since it uses as much as digits as its factorization.

45964636493 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 50388480, while the sum is 59.

The spelling of 45964636493 in words is "forty-five billion, nine hundred sixty-four million, six hundred thirty-six thousand, four hundred ninety-three".