4782921957 has 24 divisors (see below), whose sum is σ = 7740426720. Its totient is φ = 2820394080.

The previous prime is 4782921937. The next prime is 4782921961. The reversal of 4782921957 is 7591292874.

It is not a de Polignac number, because 4782921957 - 2⁸ = 4782921701 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4782921937) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 649207 + ... + 656532.

It is an arithmetic number, because the mean of its divisors is an integer number (322517780).

Almost surely, 2^4782921957 is an apocalyptic number.

It is an amenable number.

4782921957 is a deficient number, since it is larger than the sum of its proper divisors (2957504763).

4782921957 is a wasteful number, since it uses less digits than its factorization.

4782921957 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1305793 (or 1305790 counting only the distinct ones).

The product of its digits is 2540160, while the sum is 54.

The square root of 4782921957 is about 69158.6723195291. The cubic root of 4782921957 is about 1684.8623728018.

It can be divided in two parts, 478292 and 1957, that added together give a square (480249 = 693²).

The spelling of 4782921957 in words is "four billion, seven hundred eighty-two million, nine hundred twenty-one thousand, nine hundred fifty-seven".