6902982261 has 72 divisors (see below), whose sum is σ = 12136086144. Its totient is φ = 3766008960.

The previous prime is 6902982239. The next prime is 6902982353. The reversal of 6902982261 is 1622892096.

It is a de Polignac number, because none of the positive numbers 2^k-6902982261 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6902982211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 845746 + ... + 853868.

It is an arithmetic number, because the mean of its divisors is an integer number (168556752).

Almost surely, 2^6902982261 is an apocalyptic number.

It is an amenable number.

6902982261 is a deficient number, since it is larger than the sum of its proper divisors (5233103883).

6902982261 is a wasteful number, since it uses less digits than its factorization.

6902982261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8231 (or 8221 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 45.

The square root of 6902982261 is about 83084.1877916611. The cubic root of 6902982261 is about 1904.0525008952.

The spelling of 6902982261 in words is "six billion, nine hundred two million, nine hundred eighty-two thousand, two hundred sixty-one".