3639970139149 has 2 divisors, whose sum is σ = 3639970139150. Its totient is φ = 3639970139148.

The previous prime is 3639970139137. The next prime is 3639970139153. The reversal of 3639970139149 is 9419310799363.

3639970139149 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3233908066249 + 406062072900 = 1798307^2 + 637230^2 .

It is a cyclic number.

It is not a de Polignac number, because 3639970139149 - 2³¹ = 3637822655501 is a prime.

It is a super-2 number, since 2×3639970139149² (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 (3639970139159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1819985069574 + 1819985069575.

It is an arithmetic number, because the mean of its divisors is an integer number (1819985069575).

Almost surely, 2^{3639970139149} is an apocalyptic number.

It is an amenable number.

3639970139149 is a deficient number, since it is larger than the sum of its proper divisors (1).

3639970139149 is an equidigital number, since it uses as much as digits as its factorization.

3639970139149 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 29760696, while the sum is 64.

The spelling of 3639970139149 in words is "three trillion, six hundred thirty-nine billion, nine hundred seventy million, one hundred thirty-nine thousand, one hundred forty-nine".