45653834921 has 2 divisors, whose sum is σ = 45653834922. Its totient is φ = 45653834920.

The previous prime is 45653834879. The next prime is 45653834939. The reversal of 45653834921 is 12943835654.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 45566879296 + 86955625 = 213464^2 + 9325^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45653834921 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 45653834921.

It is not a weakly prime, because it can be changed into another prime (45653830921) 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, 22826917460 + 22826917461.

It is an arithmetic number, because the mean of its divisors is an integer number (22826917461).

Almost surely, 2^45653834921 is an apocalyptic number.

It is an amenable number.

45653834921 is a deficient number, since it is larger than the sum of its proper divisors (1).

45653834921 is an equidigital number, since it uses as much as digits as its factorization.

45653834921 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3110400, while the sum is 50.

The spelling of 45653834921 in words is "forty-five billion, six hundred fifty-three million, eight hundred thirty-four thousand, nine hundred twenty-one".