5657304781 has 8 divisors (see below), whose sum is σ = 5696387424. Its totient is φ = 5618338320.

The previous prime is 5657304743. The next prime is 5657304797. The reversal of 5657304781 is 1874037565.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 5657304781 - 2²¹ = 5655207629 is a prime.

It is a super-2 number, since 2×5657304781² = 64010194770250915922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5657304481) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69831 + ... + 127243.

It is an arithmetic number, because the mean of its divisors is an integer number (712048428).

Almost surely, 2^5657304781 is an apocalyptic number.

It is an amenable number.

5657304781 is a deficient number, since it is larger than the sum of its proper divisors (39082643).

5657304781 is a wasteful number, since it uses less digits than its factorization.

5657304781 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58091.

The product of its (nonzero) digits is 705600, while the sum is 46.

The square root of 5657304781 is about 75215.0568769312. The cubic root of 5657304781 is about 1781.8447378691.

The spelling of 5657304781 in words is "five billion, six hundred fifty-seven million, three hundred four thousand, seven hundred eighty-one".