3639966007 has 2 divisors, whose sum is σ = 3639966008. Its totient is φ = 3639966006.

The previous prime is 3639965963. The next prime is 3639966023. The reversal of 3639966007 is 7006699363.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3639966007 - 2¹⁵ = 3639933239 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3639966307) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1819983003 + 1819983004.

It is an arithmetic number, because the mean of its divisors is an integer number (1819983004).

Almost surely, 2^3639966007 is an apocalyptic number.

3639966007 is a deficient number, since it is larger than the sum of its proper divisors (1).

3639966007 is an equidigital number, since it uses as much as digits as its factorization.

3639966007 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1102248, while the sum is 49.

The square root of 3639966007 is about 60332.1308010914. The cubic root of 3639966007 is about 1538.2695476686.

The spelling of 3639966007 in words is "three billion, six hundred thirty-nine million, nine hundred sixty-six thousand, seven".