6930891436 has 36 divisors (see below), whose sum is σ = 14118324528. Its totient is φ = 2968485408.

The previous prime is 6930891413. The next prime is 6930891439. The reversal of 6930891436 is 6341980396.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is a self number, because there is not a number n which added to its sum of digits gives 6930891436.

It is not an unprimeable number, because it can be changed into a prime (6930891439) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 321385 + ... + 342271.

Almost surely, 2^6930891436 is an apocalyptic number.

It is an amenable number.

6930891436 is an abundant number, since it is smaller than the sum of its proper divisors (7187433092).

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

6930891436 is a wasteful number, since it uses less digits than its factorization.

6930891436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22598 (or 22589 counting only the distinct ones).

The product of its (nonzero) digits is 839808, while the sum is 49.

The square root of 6930891436 is about 83251.9755681509. The cubic root of 6930891436 is about 1906.6151168816.

The spelling of 6930891436 in words is "six billion, nine hundred thirty million, eight hundred ninety-one thousand, four hundred thirty-six".