3149497739 has 2 divisors, whose sum is σ = 3149497740. Its totient is φ = 3149497738.

The previous prime is 3149497717. The next prime is 3149497849. The reversal of 3149497739 is 9377949413.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3149497739 - 2¹⁶ = 3149432203 is a prime.

It is a super-2 number, since 2×3149497739² = 19838672015932224242, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (3149497139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1574748869 + 1574748870.

It is an arithmetic number, because the mean of its divisors is an integer number (1574748870).

Almost surely, 2^3149497739 is an apocalyptic number.

3149497739 is a deficient number, since it is larger than the sum of its proper divisors (1).

3149497739 is an equidigital number, since it uses as much as digits as its factorization.

3149497739 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5143824, while the sum is 56.

The square root of 3149497739 is about 56120.3861266118. The cubic root of 3149497739 is about 1465.8192933086.

The spelling of 3149497739 in words is "three billion, one hundred forty-nine million, four hundred ninety-seven thousand, seven hundred thirty-nine".