4090686509629 has 2 divisors, whose sum is σ = 4090686509630. Its totient is φ = 4090686509628.

The previous prime is 4090686509579. The next prime is 4090686509671. The reversal of 4090686509629 is 9269056860904.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4063953605625 + 26732904004 = 2015925^2 + 163502^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4090686509629 is a prime.

It is a super-2 number, since 2×4090686509629² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4090686504629) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2045343254814 + 2045343254815.

It is an arithmetic number, because the mean of its divisors is an integer number (2045343254815).

Almost surely, 2^{4090686509629} is an apocalyptic number.

It is an amenable number.

4090686509629 is a deficient number, since it is larger than the sum of its proper divisors (1).

4090686509629 is an equidigital number, since it uses as much as digits as its factorization.

4090686509629 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 50388480, while the sum is 64.

The spelling of 4090686509629 in words is "four trillion, ninety billion, six hundred eighty-six million, five hundred nine thousand, six hundred twenty-nine".