6427437345 has 32 divisors (see below), whose sum is σ = 13058922240. Its totient is φ = 2938256640.

The previous prime is 6427437329. The next prime is 6427437349. The reversal of 6427437345 is 5437347246.

6427437345 is a `hidden beast` number, since 6 + 4 + 274 + 37 + 345 = 666.

It is not a de Polignac number, because 6427437345 - 2⁴ = 6427437329 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 6427437345.

It is not an unprimeable number, because it can be changed into a prime (6427437349) 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, 3399816 + ... + 3401705.

It is an arithmetic number, because the mean of its divisors is an integer number (408091320).

Almost surely, 2^6427437345 is an apocalyptic number.

It is an amenable number.

6427437345 is an abundant number, since it is smaller than the sum of its proper divisors (6631484895).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6427437345 is a wasteful number, since it uses less digits than its factorization.

6427437345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6801542 (or 6801536 counting only the distinct ones).

The product of its digits is 1693440, while the sum is 45.

The square root of 6427437345 is about 80171.3000081700. The cubic root of 6427437345 is about 1859.2849358518.

Subtracting from 6427437345 its reverse (5437347246), we obtain a palindrome (990090099).

The spelling of 6427437345 in words is "six billion, four hundred twenty-seven million, four hundred thirty-seven thousand, three hundred forty-five".