3149497207 has 4 divisors (see below), whose sum is σ = 3196504696. Its totient is φ = 3102489720.

The previous prime is 3149497177. The next prime is 3149497217. The reversal of 3149497207 is 7027949413.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 3149497207 - 2⁷ = 3149497079 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3149497217) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23503644 + ... + 23503777.

It is an arithmetic number, because the mean of its divisors is an integer number (799126174).

Almost surely, 2^3149497207 is an apocalyptic number.

3149497207 is a deficient number, since it is larger than the sum of its proper divisors (47007489).

3149497207 is an equidigital number, since it uses as much as digits as its factorization.

3149497207 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47007488.

The product of its (nonzero) digits is 381024, while the sum is 46.

The square root of 3149497207 is about 56120.3813868010. The cubic root of 3149497207 is about 1465.8192107752.

The spelling of 3149497207 in words is "three billion, one hundred forty-nine million, four hundred ninety-seven thousand, two hundred seven".