40167710689 has 2 divisors, whose sum is σ = 40167710690. Its totient is φ = 40167710688.

The previous prime is 40167710621. The next prime is 40167710719. The reversal of 40167710689 is 98601776104.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 34447360000 + 5720350689 = 185600^2 + 75633^2 .

It is a cyclic number.

It is not a de Polignac number, because 40167710689 - 2²³ = 40159322081 is a prime.

It is a super-2 number, since 2×40167710689² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (40167716689) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20083855344 + 20083855345.

It is an arithmetic number, because the mean of its divisors is an integer number (20083855345).

Almost surely, 2^40167710689 is an apocalyptic number.

It is an amenable number.

40167710689 is a deficient number, since it is larger than the sum of its proper divisors (1).

40167710689 is an equidigital number, since it uses as much as digits as its factorization.

40167710689 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 508032, while the sum is 49.

The spelling of 40167710689 in words is "forty billion, one hundred sixty-seven million, seven hundred ten thousand, six hundred eighty-nine".