152487713921 has 2 divisors, whose sum is σ = 152487713922. Its totient is φ = 152487713920.

The previous prime is 152487713867. The next prime is 152487713953. The reversal of 152487713921 is 129317784251.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 87238120321 + 65249593600 = 295361^2 + 255440^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-152487713921 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 152487713921.

It is not a weakly prime, because it can be changed into another prime (152487713971) 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, 76243856960 + 76243856961.

It is an arithmetic number, because the mean of its divisors is an integer number (76243856961).

Almost surely, 2^152487713921 is an apocalyptic number.

It is an amenable number.

152487713921 is a deficient number, since it is larger than the sum of its proper divisors (1).

152487713921 is an equidigital number, since it uses as much as digits as its factorization.

152487713921 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 846720, while the sum is 50.

The spelling of 152487713921 in words is "one hundred fifty-two billion, four hundred eighty-seven million, seven hundred thirteen thousand, nine hundred twenty-one".