6908021349 has 32 divisors (see below), whose sum is σ = 10308735360. Its totient is φ = 4089139200.

The previous prime is 6908021347. The next prime is 6908021371. The reversal of 6908021349 is 9431208096.

It is not a de Polignac number, because 6908021349 - 2¹ = 6908021347 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 6908021349.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6908021347) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 218739 + ... + 248319.

It is an arithmetic number, because the mean of its divisors is an integer number (322147980).

Almost surely, 2^6908021349 is an apocalyptic number.

It is an amenable number.

6908021349 is a deficient number, since it is larger than the sum of its proper divisors (3400714011).

6908021349 is a wasteful number, since it uses less digits than its factorization.

6908021349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29861.

The product of its (nonzero) digits is 93312, while the sum is 42.

The square root of 6908021349 is about 83114.5074520688. The cubic root of 6908021349 is about 1904.5156994581.

The spelling of 6908021349 in words is "six billion, nine hundred eight million, twenty-one thousand, three hundred forty-nine".