6949720642 has 8 divisors (see below), whose sum is σ = 10550178576. Its totient is φ = 3432994452.

The previous prime is 6949720627. The next prime is 6949720643. The reversal of 6949720642 is 2460279496.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (6949720643) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20932728 + ... + 20933059.

It is an arithmetic number, because the mean of its divisors is an integer number (1318772322).

Almost surely, 2^6949720642 is an apocalyptic number.

6949720642 is a deficient number, since it is larger than the sum of its proper divisors (3600457934).

6949720642 is a wasteful number, since it uses less digits than its factorization.

6949720642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41865872.

The product of its (nonzero) digits is 1306368, while the sum is 49.

The square root of 6949720642 is about 83364.9845078856. The cubic root of 6949720642 is about 1908.3401276842.

The spelling of 6949720642 in words is "six billion, nine hundred forty-nine million, seven hundred twenty thousand, six hundred forty-two".