6427844374 has 16 divisors (see below), whose sum is σ = 11399133600. Its totient is φ = 2659797504.

The previous prime is 6427844363. The next prime is 6427844383. The reversal of 6427844374 is 4734487246.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7915659 + ... + 7916470.

It is an arithmetic number, because the mean of its divisors is an integer number (712445850).

Almost surely, 2^6427844374 is an apocalyptic number.

6427844374 is a deficient number, since it is larger than the sum of its proper divisors (4971289226).

6427844374 is a wasteful number, since it uses less digits than its factorization.

6427844374 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15832167.

The product of its digits is 3612672, while the sum is 49.

The square root of 6427844374 is about 80173.8384636784. The cubic root of 6427844374 is about 1859.3241825413.

The spelling of 6427844374 in words is "six billion, four hundred twenty-seven million, eight hundred forty-four thousand, three hundred seventy-four".