5657423989156 has 81 divisors (see below), whose sum is σ = 10658891685603. Its totient is φ = 2627043232320.

The previous prime is 5657423989153. The next prime is 5657423989159. The reversal of 5657423989156 is 6519893247565.

The square root of 5657423989156 is 2378534.

It is a perfect power (a square), and thus also a powerful number.

It is an interprime number because it is at equal distance from previous prime (5657423989153) and next prime (5657423989159).

It can be written as a sum of positive squares in 4 ways, for example, as 2471970062500 + 3185453926656 = 1572250^2 + 1784784^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5657423989153) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 4790366886 + ... + 4790368066.

Almost surely, 2^{5657423989156} is an apocalyptic number.

5657423989156 is the 2378534-th square number.

It is an amenable number.

5657423989156 is a deficient number, since it is larger than the sum of its proper divisors (5001467696447).

5657423989156 is an equidigital number, since it uses as much as digits as its factorization.

5657423989156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2510 (or 1255 counting only the distinct ones).

The product of its digits is 489888000, while the sum is 70.

The spelling of 5657423989156 in words is "five trillion, six hundred fifty-seven billion, four hundred twenty-three million, nine hundred eighty-nine thousand, one hundred fifty-six".