2690420794 has 4 divisors (see below), whose sum is σ = 4035631194. Its totient is φ = 1345210396.

The previous prime is 2690420773. The next prime is 2690420801. The reversal of 2690420794 is 4970240962.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4970240962 = 2 ⋅2485120481.

It can be written as a sum of positive squares in only one way, i.e., 1705277025 + 985143769 = 41295^2 + 31387^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2690420794.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 672605197 + ... + 672605200.

Almost surely, 2^2690420794 is an apocalyptic number.

2690420794 is a deficient number, since it is larger than the sum of its proper divisors (1345210400).

2690420794 is a wasteful number, since it uses less digits than its factorization.

2690420794 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1345210399.

The product of its (nonzero) digits is 217728, while the sum is 43.

The square root of 2690420794 is about 51869.2663722941. The cubic root of 2690420794 is about 1390.8279307533.

The spelling of 2690420794 in words is "two billion, six hundred ninety million, four hundred twenty thousand, seven hundred ninety-four".