3970652639 has 8 divisors (see below), whose sum is σ = 4109918208. Its totient is φ = 3832085880.

The previous prime is 3970652627. The next prime is 3970652671. The reversal of 3970652639 is 9362560793.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3970652639 - 2⁸ = 3970652383 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3970651639) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 163127 + ... + 185880.

It is an arithmetic number, because the mean of its divisors is an integer number (513739776).

Almost surely, 2^3970652639 is an apocalyptic number.

3970652639 is a deficient number, since it is larger than the sum of its proper divisors (139265569).

3970652639 is a wasteful number, since it uses less digits than its factorization.

3970652639 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 349405.

The product of its (nonzero) digits is 1837080, while the sum is 50.

The square root of 3970652639 is about 63013.1148174727. The cubic root of 3970652639 is about 1583.5093494833.

The spelling of 3970652639 in words is "three billion, nine hundred seventy million, six hundred fifty-two thousand, six hundred thirty-nine".