408652799089 has 2 divisors, whose sum is σ = 408652799090. Its totient is φ = 408652799088.

The previous prime is 408652799011. The next prime is 408652799101. The reversal of 408652799089 is 980997256804.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 398634390625 + 10018408464 = 631375^2 + 100092^2 .

It is a cyclic number.

It is not a de Polignac number, because 408652799089 - 2¹⁵ = 408652766321 is a prime.

It is a super-2 number, since 2×408652799089² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (408652794089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 204326399544 + 204326399545.

It is an arithmetic number, because the mean of its divisors is an integer number (204326399545).

Almost surely, 2^408652799089 is an apocalyptic number.

It is an amenable number.

408652799089 is a deficient number, since it is larger than the sum of its proper divisors (1).

408652799089 is an equidigital number, since it uses as much as digits as its factorization.

408652799089 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 78382080, while the sum is 67.

The spelling of 408652799089 in words is "four hundred eight billion, six hundred fifty-two million, seven hundred ninety-nine thousand, eighty-nine".