2679789742 has 16 divisors (see below), whose sum is σ = 4594600800. Its totient is φ = 1148312448.

The previous prime is 2679789737. The next prime is 2679789767. The reversal of 2679789742 is 2479879762.

It is a super-2 number, since 2×2679789742² = 14362546122656853128, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 152634 + ... + 169282.

It is an arithmetic number, because the mean of its divisors is an integer number (287162550).

Almost surely, 2^2679789742 is an apocalyptic number.

2679789742 is a deficient number, since it is larger than the sum of its proper divisors (1914811058).

2679789742 is a wasteful number, since it uses less digits than its factorization.

2679789742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28155.

The product of its digits is 21337344, while the sum is 61.

The square root of 2679789742 is about 51766.6856385456. The cubic root of 2679789742 is about 1388.9935854511.

The spelling of 2679789742 in words is "two billion, six hundred seventy-nine million, seven hundred eighty-nine thousand, seven hundred forty-two".