3949584971 has 2 divisors, whose sum is σ = 3949584972. Its totient is φ = 3949584970.

The previous prime is 3949584953. The next prime is 3949584997. The reversal of 3949584971 is 1794859493.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3949584971 - 2¹⁴ = 3949568587 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3949584971.

It is not a weakly prime, because it can be changed into another prime (3949584931) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1974792485 + 1974792486.

It is an arithmetic number, because the mean of its divisors is an integer number (1974792486).

Almost surely, 2^3949584971 is an apocalyptic number.

3949584971 is a deficient number, since it is larger than the sum of its proper divisors (1).

3949584971 is an equidigital number, since it uses as much as digits as its factorization.

3949584971 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9797760, while the sum is 59.

The square root of 3949584971 is about 62845.7235697068. The cubic root of 3949584971 is about 1580.7037631539.

The spelling of 3949584971 in words is "three billion, nine hundred forty-nine million, five hundred eighty-four thousand, nine hundred seventy-one".