3688412537 has 2 divisors, whose sum is σ = 3688412538. Its totient is φ = 3688412536.

The previous prime is 3688412513. The next prime is 3688412543. The reversal of 3688412537 is 7352148863.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2181730681 + 1506681856 = 46709^2 + 38816^2 .

It is a cyclic number.

It is not a de Polignac number, because 3688412537 - 2⁸ = 3688412281 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3688412491 and 3688412500.

It is not a weakly prime, because it can be changed into another prime (3688412597) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1844206268 + 1844206269.

It is an arithmetic number, because the mean of its divisors is an integer number (1844206269).

Almost surely, 2^3688412537 is an apocalyptic number.

It is an amenable number.

3688412537 is a deficient number, since it is larger than the sum of its proper divisors (1).

3688412537 is an equidigital number, since it uses as much as digits as its factorization.

3688412537 is an evil number, because the sum of its binary digits is even.

The product of its digits is 967680, while the sum is 47.

The square root of 3688412537 is about 60732.3022534137. The cubic root of 3688412537 is about 1545.0640815752.

The spelling of 3688412537 in words is "three billion, six hundred eighty-eight million, four hundred twelve thousand, five hundred thirty-seven".