3149771457 has 16 divisors (see below), whose sum is σ = 4911272960. Its totient is φ = 1758011472.

The previous prime is 3149771453. The next prime is 3149771459. The reversal of 3149771457 is 7541779413.

It is not a de Polignac number, because 3149771457 - 2² = 3149771453 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3149771453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1743157 + ... + 1744962.

It is an arithmetic number, because the mean of its divisors is an integer number (306954560).

Almost surely, 2^3149771457 is an apocalyptic number.

It is an amenable number.

3149771457 is a deficient number, since it is larger than the sum of its proper divisors (1761501503).

3149771457 is a wasteful number, since it uses less digits than its factorization.

3149771457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3488172.

The product of its digits is 740880, while the sum is 48.

The square root of 3149771457 is about 56122.8247418107. The cubic root of 3149771457 is about 1465.8617561112.

The spelling of 3149771457 in words is "three billion, one hundred forty-nine million, seven hundred seventy-one thousand, four hundred fifty-seven".