496153213921 has 2 divisors, whose sum is σ = 496153213922. Its totient is φ = 496153213920.

The previous prime is 496153213903. The next prime is 496153213973. The reversal of 496153213921 is 129312351694.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 480125653921 + 16027560000 = 692911^2 + 126600^2 .

It is a cyclic number.

It is not a de Polignac number, because 496153213921 - 2²⁹ = 495616343009 is a prime.

It is not a weakly prime, because it can be changed into another prime (496153213321) 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, 248076606960 + 248076606961.

It is an arithmetic number, because the mean of its divisors is an integer number (248076606961).

Almost surely, 2^496153213921 is an apocalyptic number.

It is an amenable number.

496153213921 is a deficient number, since it is larger than the sum of its proper divisors (1).

496153213921 is an equidigital number, since it uses as much as digits as its factorization.

496153213921 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 349920, while the sum is 46.

The spelling of 496153213921 in words is "four hundred ninety-six billion, one hundred fifty-three million, two hundred thirteen thousand, nine hundred twenty-one".