2957354649 has 6 divisors (see below), whose sum is σ = 4271734506. Its totient is φ = 1971569760.

The previous prime is 2957354599. The next prime is 2957354717. The reversal of 2957354649 is 9464537592.

2957354649 is a `hidden beast` number, since 2 + 9 + 57 + 3 + 546 + 49 = 666.

It can be written as a sum of positive squares in only one way, i.e., 2907905625 + 49449024 = 53925^2 + 7032^2 .

It is not a de Polignac number, because 2957354649 - 2¹⁵ = 2957321881 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2957354595 and 2957354604.

It is not an unprimeable number, because it can be changed into a prime (2957354249) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 164297472 + ... + 164297489.

It is an arithmetic number, because the mean of its divisors is an integer number (711955751).

Almost surely, 2^2957354649 is an apocalyptic number.

It is an amenable number.

2957354649 is a deficient number, since it is larger than the sum of its proper divisors (1314379857).

2957354649 is a wasteful number, since it uses less digits than its factorization.

2957354649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 328594967 (or 328594964 counting only the distinct ones).

The product of its digits is 8164800, while the sum is 54.

The square root of 2957354649 is about 54381.5653415751. The cubic root of 2957354649 is about 1435.3830150337.

It can be divided in two parts, 295 and 7354649, that added together give a square (7354944 = 2712²).

The spelling of 2957354649 in words is "two billion, nine hundred fifty-seven million, three hundred fifty-four thousand, six hundred forty-nine".