6345021774 has 32 divisors (see below), whose sum is σ = 15618516480. Its totient is φ = 1673412192.

The previous prime is 6345021769. The next prime is 6345021779. The reversal of 6345021774 is 4771205436.

It is an interprime number because it is at equal distance from previous prime (6345021769) and next prime (6345021779).

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6345021779) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5809914 + ... + 5811005.

It is an arithmetic number, because the mean of its divisors is an integer number (488078640).

Almost surely, 2^6345021774 is an apocalyptic number.

6345021774 is an abundant number, since it is smaller than the sum of its proper divisors (9273494706).

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

6345021774 is a wasteful number, since it uses less digits than its factorization.

6345021774 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11620944.

The product of its (nonzero) digits is 141120, while the sum is 39.

The square root of 6345021774 is about 79655.6449600403. The cubic root of 6345021774 is about 1851.3038555214.

The spelling of 6345021774 in words is "six billion, three hundred forty-five million, twenty-one thousand, seven hundred seventy-four".