3906710729 has 2 divisors, whose sum is σ = 3906710730. Its totient is φ = 3906710728.

The previous prime is 3906710723. The next prime is 3906710761. The reversal of 3906710729 is 9270176093.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3003588025 + 903122704 = 54805^2 + 30052^2 .

It is a cyclic number.

It is not a de Polignac number, because 3906710729 - 2¹² = 3906706633 is a prime.

It is a super-2 number, since 2×3906710729² = 30524777440167422882, 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 3906710729.

It is not a weakly prime, because it can be changed into another prime (3906710723) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1953355364 + 1953355365.

It is an arithmetic number, because the mean of its divisors is an integer number (1953355365).

Almost surely, 2^3906710729 is an apocalyptic number.

It is an amenable number.

3906710729 is a deficient number, since it is larger than the sum of its proper divisors (1).

3906710729 is an equidigital number, since it uses as much as digits as its factorization.

3906710729 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 142884, while the sum is 44.

The square root of 3906710729 is about 62503.6857233235. The cubic root of 3906710729 is about 1574.9632280320.

The spelling of 3906710729 in words is "three billion, nine hundred six million, seven hundred ten thousand, seven hundred twenty-nine".