2790423698 has 4 divisors (see below), whose sum is σ = 4185635550. Its totient is φ = 1395211848.

The previous prime is 2790423697. The next prime is 2790423721. The reversal of 2790423698 is 8963240972.

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., 2773391569 + 17032129 = 52663^2 + 4127^2 .

It is not an unprimeable number, because it can be changed into a prime (2790423697) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 697605923 + ... + 697605926.

Almost surely, 2^2790423698 is an apocalyptic number.

2790423698 is a deficient number, since it is larger than the sum of its proper divisors (1395211852).

2790423698 is a wasteful number, since it uses less digits than its factorization.

2790423698 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1395211851.

The product of its (nonzero) digits is 1306368, while the sum is 50.

The square root of 2790423698 is about 52824.4611709386. The cubic root of 2790423698 is about 1407.8510762906.

The spelling of 2790423698 in words is "two billion, seven hundred ninety million, four hundred twenty-three thousand, six hundred ninety-eight".