2709642398 has 4 divisors (see below), whose sum is σ = 4064463600. Its totient is φ = 1354821198.

The previous prime is 2709642379. The next prime is 2709642401. The reversal of 2709642398 is 8932469072.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 677410598 + ... + 677410601.

It is an arithmetic number, because the mean of its divisors is an integer number (1016115900).

Almost surely, 2^2709642398 is an apocalyptic number.

2709642398 is a deficient number, since it is larger than the sum of its proper divisors (1354821202).

2709642398 is a wasteful number, since it uses less digits than its factorization.

2709642398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1354821201.

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

The square root of 2709642398 is about 52054.2255537435. The cubic root of 2709642398 is about 1394.1323120790.

The spelling of 2709642398 in words is "two billion, seven hundred nine million, six hundred forty-two thousand, three hundred ninety-eight".