42726379389 has 16 divisors (see below), whose sum is σ = 58111518720. Its totient is φ = 27916119360.

The previous prime is 42726379373. The next prime is 42726379391. The reversal of 42726379389 is 98397362724.

It is not a de Polignac number, because 42726379389 - 2⁴ = 42726379373 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42726379309) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 370749 + ... + 472130.

It is an arithmetic number, because the mean of its divisors is an integer number (3631969920).

Almost surely, 2^42726379389 is an apocalyptic number.

It is an amenable number.

42726379389 is a deficient number, since it is larger than the sum of its proper divisors (15385139331).

42726379389 is a wasteful number, since it uses less digits than its factorization.

42726379389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 843220.

The product of its digits is 27433728, while the sum is 60.

The spelling of 42726379389 in words is "forty-two billion, seven hundred twenty-six million, three hundred seventy-nine thousand, three hundred eighty-nine".