5707942649 has 4 divisors (see below), whose sum is σ = 5729005440. Its totient is φ = 5686879860.

The previous prime is 5707942613. The next prime is 5707942651. The reversal of 5707942649 is 9462497075.

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.

It is a cyclic number.

It is not a de Polignac number, because 5707942649 - 2¹² = 5707938553 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5707942649.

It is not an unprimeable number, because it can be changed into a prime (5707942609) 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, 10530989 + ... + 10531530.

It is an arithmetic number, because the mean of its divisors is an integer number (1432251360).

Almost surely, 2^5707942649 is an apocalyptic number.

It is an amenable number.

5707942649 is a deficient number, since it is larger than the sum of its proper divisors (21062791).

5707942649 is a wasteful number, since it uses less digits than its factorization.

5707942649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21062790.

The product of its (nonzero) digits is 3810240, while the sum is 53.

The square root of 5707942649 is about 75550.9275191245. The cubic root of 5707942649 is about 1787.1453149523.

The spelling of 5707942649 in words is "five billion, seven hundred seven million, nine hundred forty-two thousand, six hundred forty-nine".