6426191492 has 36 divisors (see below), whose sum is σ = 12936155904. Its totient is φ = 2736246240.

The previous prime is 6426191483. The next prime is 6426191501. The reversal of 6426191492 is 2941916246.

It is an interprime number because it is at equal distance from previous prime (6426191483) and next prime (6426191501).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 685517 + ... + 694827.

It is an arithmetic number, because the mean of its divisors is an integer number (359337664).

Almost surely, 2^6426191492 is an apocalyptic number.

It is an amenable number.

6426191492 is an abundant number, since it is smaller than the sum of its proper divisors (6509964412).

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

6426191492 is a wasteful number, since it uses less digits than its factorization.

6426191492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9636 (or 9477 counting only the distinct ones).

The product of its digits is 186624, while the sum is 44.

The square root of 6426191492 is about 80163.5296877576. The cubic root of 6426191492 is about 1859.1647974891.

The spelling of 6426191492 in words is "six billion, four hundred twenty-six million, one hundred ninety-one thousand, four hundred ninety-two".