3457999939 has 2 divisors, whose sum is σ = 3457999940. Its totient is φ = 3457999938.

The previous prime is 3457999931. The next prime is 3457999969. The reversal of 3457999939 is 9399997543.

It is a weak prime.

It is an emirp because it is prime and its reverse (9399997543) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3457999939 - 2³ = 3457999931 is a prime.

It is not a weakly prime, because it can be changed into another prime (3457999931) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1728999969 + 1728999970.

It is an arithmetic number, because the mean of its divisors is an integer number (1728999970).

Almost surely, 2^3457999939 is an apocalyptic number.

3457999939 is a deficient number, since it is larger than the sum of its proper divisors (1).

3457999939 is an equidigital number, since it uses as much as digits as its factorization.

3457999939 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 74401740, while the sum is 67.

The square root of 3457999939 is about 58804.7611932911. The cubic root of 3457999939 is about 1512.1968431319.

The spelling of 3457999939 in words is "three billion, four hundred fifty-seven million, nine hundred ninety-nine thousand, nine hundred thirty-nine".