152702998421 has 2 divisors, whose sum is σ = 152702998422. Its totient is φ = 152702998420.

The previous prime is 152702998411. The next prime is 152702998433. The reversal of 152702998421 is 124899207251.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 113763869521 + 38939128900 = 337289^2 + 197330^2 .

It is a cyclic number.

It is not a de Polignac number, because 152702998421 - 2²² = 152698804117 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 152702998421.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (152702998411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 76351499210 + 76351499211.

It is an arithmetic number, because the mean of its divisors is an integer number (76351499211).

Almost surely, 2^152702998421 is an apocalyptic number.

It is an amenable number.

152702998421 is a deficient number, since it is larger than the sum of its proper divisors (1).

152702998421 is an equidigital number, since it uses as much as digits as its factorization.

152702998421 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 725760, while the sum is 50.

The spelling of 152702998421 in words is "one hundred fifty-two billion, seven hundred two million, nine hundred ninety-eight thousand, four hundred twenty-one".