2690270402 has 4 divisors (see below), whose sum is σ = 4035405606. Its totient is φ = 1345135200.

The previous prime is 2690270389. The next prime is 2690270413. The reversal of 2690270402 is 2040720962.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1835351281 + 854919121 = 42841^2 + 29239^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 672567599 + ... + 672567602.

Almost surely, 2^2690270402 is an apocalyptic number.

2690270402 is a deficient number, since it is larger than the sum of its proper divisors (1345135204).

2690270402 is a wasteful number, since it uses less digits than its factorization.

2690270402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1345135203.

The product of its (nonzero) digits is 12096, while the sum is 32.

The square root of 2690270402 is about 51867.8166303537. The cubic root of 2690270402 is about 1390.8020149446.

The spelling of 2690270402 in words is "two billion, six hundred ninety million, two hundred seventy thousand, four hundred two".