3677626985729 has 2 divisors, whose sum is σ = 3677626985730. Its totient is φ = 3677626985728.

The previous prime is 3677626985689. The next prime is 3677626985803. The reversal of 3677626985729 is 9275896267763.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3176147730625 + 501479255104 = 1782175^2 + 708152^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3677626985729 is a prime.

It is a super-2 number, since 2×3677626985729² (a number of 26 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 3677626985729.

It is not a weakly prime, because it can be changed into another prime (3677626985429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1838813492864 + 1838813492865.

It is an arithmetic number, because the mean of its divisors is an integer number (1838813492865).

Almost surely, 2^{3677626985729} is an apocalyptic number.

It is an amenable number.

3677626985729 is a deficient number, since it is larger than the sum of its proper divisors (1).

3677626985729 is an equidigital number, since it uses as much as digits as its factorization.

3677626985729 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2880541440, while the sum is 77.

The spelling of 3677626985729 in words is "three trillion, six hundred seventy-seven billion, six hundred twenty-six million, nine hundred eighty-five thousand, seven hundred twenty-nine".