3149421707 has 4 divisors (see below), whose sum is σ = 3152989320. Its totient is φ = 3145854096.

The previous prime is 3149421701. The next prime is 3149421749. The reversal of 3149421707 is 7071249413.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7071249413 = 37 ⋅191114849.

It is a cyclic number.

It is not a de Polignac number, because 3149421707 - 2¹⁴ = 3149405323 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3149421701) 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, 1782482 + ... + 1784247.

It is an arithmetic number, because the mean of its divisors is an integer number (788247330).

Almost surely, 2^3149421707 is an apocalyptic number.

3149421707 is a deficient number, since it is larger than the sum of its proper divisors (3567613).

3149421707 is an equidigital number, since it uses as much as digits as its factorization.

3149421707 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3567612.

The product of its (nonzero) digits is 42336, while the sum is 38.

The square root of 3149421707 is about 56119.7087216247. The cubic root of 3149421707 is about 1465.8074977697.

The spelling of 3149421707 in words is "three billion, one hundred forty-nine million, four hundred twenty-one thousand, seven hundred seven".