2689704494 has 8 divisors (see below), whose sum is σ = 4041362160. Its totient is φ = 1342583776.

The previous prime is 2689704463. The next prime is 2689704533. The reversal of 2689704494 is 4944079862.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1132754 + ... + 1135125.

It is an arithmetic number, because the mean of its divisors is an integer number (505170270).

Almost surely, 2^2689704494 is an apocalyptic number.

2689704494 is a deficient number, since it is larger than the sum of its proper divisors (1351657666).

2689704494 is a wasteful number, since it uses less digits than its factorization.

2689704494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2268474.

The product of its (nonzero) digits is 3483648, while the sum is 53.

The square root of 2689704494 is about 51862.3610530797. The cubic root of 2689704494 is about 1390.7044880467.

The spelling of 2689704494 in words is "two billion, six hundred eighty-nine million, seven hundred four thousand, four hundred ninety-four".