2689938746 has 16 divisors (see below), whose sum is σ = 4409447328. Its totient is φ = 1220552400.

The previous prime is 2689938721. The next prime is 2689938749. The reversal of 2689938746 is 6478399862.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (2689938749) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 94505 + ... + 119628.

It is an arithmetic number, because the mean of its divisors is an integer number (275590458).

Almost surely, 2^2689938746 is an apocalyptic number.

2689938746 is a deficient number, since it is larger than the sum of its proper divisors (1719508582).

2689938746 is a wasteful number, since it uses less digits than its factorization.

2689938746 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 214717.

The product of its digits is 31352832, while the sum is 62.

The square root of 2689938746 is about 51864.6194047541. The cubic root of 2689938746 is about 1390.7448599973.

The spelling of 2689938746 in words is "two billion, six hundred eighty-nine million, nine hundred thirty-eight thousand, seven hundred forty-six".