6942649290 has 32 divisors (see below), whose sum is σ = 17112695040. Its totient is φ = 1801335744.

The previous prime is 6942649289. The next prime is 6942649339. The reversal of 6942649290 is 929462496.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3126210 + ... + 3128429.

It is an arithmetic number, because the mean of its divisors is an integer number (534771720).

Almost surely, 2^6942649290 is an apocalyptic number.

6942649290 is an abundant number, since it is smaller than the sum of its proper divisors (10170045750).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6942649290 is a wasteful number, since it uses less digits than its factorization.

6942649290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6254686.

The product of its (nonzero) digits is 1679616, while the sum is 51.

The square root of 6942649290 is about 83322.5617104995. The cubic root of 6942649290 is about 1907.6926616459.

The spelling of 6942649290 in words is "six billion, nine hundred forty-two million, six hundred forty-nine thousand, two hundred ninety".