6942726405 has 16 divisors (see below), whose sum is σ = 12342624960. Its totient is φ = 3702787344.

The previous prime is 6942726391. The next prime is 6942726421. The reversal of 6942726405 is 5046272496.

It is not a de Polignac number, because 6942726405 - 2¹² = 6942722309 is a prime.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25713667 + ... + 25713936.

It is an arithmetic number, because the mean of its divisors is an integer number (771414060).

Almost surely, 2^6942726405 is an apocalyptic number.

It is an amenable number.

6942726405 is a deficient number, since it is larger than the sum of its proper divisors (5399898555).

6942726405 is a wasteful number, since it uses less digits than its factorization.

6942726405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51427617 (or 51427611 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 45.

The square root of 6942726405 is about 83323.0244590293. The cubic root of 6942726405 is about 1907.6997248081.

The spelling of 6942726405 in words is "six billion, nine hundred forty-two million, seven hundred twenty-six thousand, four hundred five".