4957397505 has 32 divisors (see below), whose sum is σ = 8865964800. Its totient is φ = 2628101376.

The previous prime is 4957397477. The next prime is 4957397537. The reversal of 4957397505 is 5057937594.

4957397505 is a `hidden beast` number, since 49 + 5 + 7 + 3 + 97 + 505 = 666.

It is not a de Polignac number, because 4957397505 - 2⁷ = 4957397377 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 87400 + ... + 132489.

It is an arithmetic number, because the mean of its divisors is an integer number (277061400).

Almost surely, 2^4957397505 is an apocalyptic number.

4957397505 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

4957397505 is a deficient number, since it is larger than the sum of its proper divisors (3908567295).

4957397505 is a wasteful number, since it uses less digits than its factorization.

4957397505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220070 (or 220064 counting only the distinct ones).

The product of its (nonzero) digits is 5953500, while the sum is 54.

The square root of 4957397505 is about 70408.7885494418. The cubic root of 4957397505 is about 1705.1054712978.

The spelling of 4957397505 in words is "four billion, nine hundred fifty-seven million, three hundred ninety-seven thousand, five hundred five".