3678131497 has 2 divisors, whose sum is σ = 3678131498. Its totient is φ = 3678131496.

The previous prime is 3678131491. The next prime is 3678131519. The reversal of 3678131497 is 7941318763.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2060161321 + 1617970176 = 45389^2 + 40224^2 .

It is a cyclic number.

It is not a de Polignac number, because 3678131497 - 2³ = 3678131489 is a prime.

It is a super-2 number, since 2×3678131497² = 27057302618446922018, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 3678131497.

It is not a weakly prime, because it can be changed into another prime (3678131491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1839065748 + 1839065749.

It is an arithmetic number, because the mean of its divisors is an integer number (1839065749).

Almost surely, 2^3678131497 is an apocalyptic number.

It is an amenable number.

3678131497 is a deficient number, since it is larger than the sum of its proper divisors (1).

3678131497 is an equidigital number, since it uses as much as digits as its factorization.

3678131497 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 762048, while the sum is 49.

The square root of 3678131497 is about 60647.6009171014. The cubic root of 3678131497 is about 1543.6271808795.

The spelling of 3678131497 in words is "three billion, six hundred seventy-eight million, one hundred thirty-one thousand, four hundred ninety-seven".