3149752493 has 4 divisors (see below), whose sum is σ = 3315528960. Its totient is φ = 2983976028.

The previous prime is 3149752447. The next prime is 3149752499. The reversal of 3149752493 is 3942579413.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 3942579413 = 461 ⋅8552233.

It is a cyclic number.

It is not a de Polignac number, because 3149752493 - 2²⁸ = 2881317037 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 (3149752499) 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, 82888205 + ... + 82888242.

It is an arithmetic number, because the mean of its divisors is an integer number (828882240).

Almost surely, 2^3149752493 is an apocalyptic number.

It is an amenable number.

3149752493 is a deficient number, since it is larger than the sum of its proper divisors (165776467).

3149752493 is a wasteful number, since it uses less digits than its factorization.

3149752493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165776466.

The product of its digits is 816480, while the sum is 47.

The square root of 3149752493 is about 56122.6557906876. The cubic root of 3149752493 is about 1465.8588142408.

The spelling of 3149752493 in words is "three billion, one hundred forty-nine million, seven hundred fifty-two thousand, four hundred ninety-three".