152439366817 has 16 divisors (see below), whose sum is σ = 157316280912. Its totient is φ = 147619630080.

The previous prime is 152439366769. The next prime is 152439366823. The reversal of 152439366817 is 718663934251.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 907455376 + 151531911441 = 30124^2 + 389271^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-152439366817 is a prime.

It is a super-2 number, since 2×152439366817² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (152439366917) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6405813 + ... + 6429565.

It is an arithmetic number, because the mean of its divisors is an integer number (9832267557).

Almost surely, 2^152439366817 is an apocalyptic number.

It is an amenable number.

152439366817 is a deficient number, since it is larger than the sum of its proper divisors (4876914095).

152439366817 is a wasteful number, since it uses less digits than its factorization.

152439366817 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24948.

The product of its digits is 6531840, while the sum is 55.

The spelling of 152439366817 in words is "one hundred fifty-two billion, four hundred thirty-nine million, three hundred sixty-six thousand, eight hundred seventeen".