2693779906 has 8 divisors (see below), whose sum is σ = 4171014144. Its totient is φ = 1303441860.

The previous prime is 2693779903. The next prime is 2693779943. The reversal of 2693779906 is 6099773962.

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

It is not an unprimeable number, because it can be changed into a prime (2693779903) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21723970 + ... + 21724093.

It is an arithmetic number, because the mean of its divisors is an integer number (521376768).

Almost surely, 2^2693779906 is an apocalyptic number.

2693779906 is a deficient number, since it is larger than the sum of its proper divisors (1477234238).

2693779906 is a wasteful number, since it uses less digits than its factorization.

2693779906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43448096.

The product of its (nonzero) digits is 7715736, while the sum is 58.

The square root of 2693779906 is about 51901.6368335335. The cubic root of 2693779906 is about 1391.4065272032.

The spelling of 2693779906 in words is "two billion, six hundred ninety-three million, seven hundred seventy-nine thousand, nine hundred six".