153364662050021 has 4 divisors (see below), whose sum is σ = 153373506116844. Its totient is φ = 153355817983200.

The previous prime is 153364662049987. The next prime is 153364662050027. The reversal of 153364662050021 is 120050266463351.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 131811753664900 + 21552908385121 = 11480930^2 + 4642511^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-153364662050021 is a prime.

It is a super-2 number, since 2×153364662050021² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (153364662050027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4422007400 + ... + 4422042081.

It is an arithmetic number, because the mean of its divisors is an integer number (38343376529211).

Almost surely, 2^{153364662050021} is an apocalyptic number.

It is an amenable number.

153364662050021 is a deficient number, since it is larger than the sum of its proper divisors (8844066823).

153364662050021 is an equidigital number, since it uses as much as digits as its factorization.

153364662050021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8844066822.

The product of its (nonzero) digits is 777600, while the sum is 44.

The spelling of 153364662050021 in words is "one hundred fifty-three trillion, three hundred sixty-four billion, six hundred sixty-two million, fifty thousand, twenty-one".