3149386651 has 4 divisors (see below), whose sum is σ = 3150214704. Its totient is φ = 3148558600.

The previous prime is 3149386579. The next prime is 3149386661. The reversal of 3149386651 is 1566839413.

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 3149386651 - 2²¹ = 3147289499 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3149386661) 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, 408295 + ... + 415936.

It is an arithmetic number, because the mean of its divisors is an integer number (787553676).

Almost surely, 2^3149386651 is an apocalyptic number.

3149386651 is a deficient number, since it is larger than the sum of its proper divisors (828053).

3149386651 is an equidigital number, since it uses as much as digits as its factorization.

3149386651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 828052.

The product of its digits is 466560, while the sum is 46.

The square root of 3149386651 is about 56119.3963884146. The cubic root of 3149386651 is about 1465.8020591481.

The spelling of 3149386651 in words is "three billion, one hundred forty-nine million, three hundred eighty-six thousand, six hundred fifty-one".