3952620709 has 2 divisors, whose sum is σ = 3952620710. Its totient is φ = 3952620708.

The previous prime is 3952620691. The next prime is 3952620739. The reversal of 3952620709 is 9070262593.

3952620709 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2015740609 + 1936880100 = 44897^2 + 44010^2 .

It is a cyclic number.

It is not a de Polignac number, because 3952620709 - 2¹¹ = 3952618661 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3952620739) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1976310354 + 1976310355.

It is an arithmetic number, because the mean of its divisors is an integer number (1976310355).

Almost surely, 2^3952620709 is an apocalyptic number.

It is an amenable number.

3952620709 is a deficient number, since it is larger than the sum of its proper divisors (1).

3952620709 is an equidigital number, since it uses as much as digits as its factorization.

3952620709 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 204120, while the sum is 43.

The square root of 3952620709 is about 62869.8712341611. The cubic root of 3952620709 is about 1581.1086473466.

The spelling of 3952620709 in words is "three billion, nine hundred fifty-two million, six hundred twenty thousand, seven hundred nine".