6356242989 has 32 divisors (see below), whose sum is σ = 9618134400. Its totient is φ = 4147228800.

The previous prime is 6356242961. The next prime is 6356243017. The reversal of 6356242989 is 9892426536.

It is a happy number.

6356242989 is a `hidden beast` number, since 6 + 3 + 5 + 624 + 2 + 9 + 8 + 9 = 666.

It is an interprime number because it is at equal distance from previous prime (6356242961) and next prime (6356243017).

It is not a de Polignac number, because 6356242989 - 2⁷ = 6356242861 is a prime.

It is a super-3 number, since 3×6356242989³ (a number of 30 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6356242889) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 594289 + ... + 604889.

It is an arithmetic number, because the mean of its divisors is an integer number (300566700).

Almost surely, 2^6356242989 is an apocalyptic number.

It is an amenable number.

6356242989 is a deficient number, since it is larger than the sum of its proper divisors (3261891411).

6356242989 is a wasteful number, since it uses less digits than its factorization.

6356242989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11082 (or 11076 counting only the distinct ones).

The product of its digits is 5598720, while the sum is 54.

The square root of 6356242989 is about 79726.0496262044. The cubic root of 6356242989 is about 1852.3945607021.

The spelling of 6356242989 in words is "six billion, three hundred fifty-six million, two hundred forty-two thousand, nine hundred eighty-nine".