152397421409 has 2 divisors, whose sum is σ = 152397421410. Its totient is φ = 152397421408.

The previous prime is 152397421391. The next prime is 152397421447. The reversal of 152397421409 is 904124793251.

152397421409 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 149326599184 + 3070822225 = 386428^2 + 55415^2 .

It is a cyclic number.

It is not a de Polignac number, because 152397421409 - 2¹² = 152397417313 is a prime.

It is a super-2 number, since 2×152397421409² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (152397421459) 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, 76198710704 + 76198710705.

It is an arithmetic number, because the mean of its divisors is an integer number (76198710705).

Almost surely, 2^152397421409 is an apocalyptic number.

It is an amenable number.

152397421409 is a deficient number, since it is larger than the sum of its proper divisors (1).

152397421409 is an equidigital number, since it uses as much as digits as its factorization.

152397421409 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 544320, while the sum is 47.

The spelling of 152397421409 in words is "one hundred fifty-two billion, three hundred ninety-seven million, four hundred twenty-one thousand, four hundred nine".