6980455391 has 32 divisors (see below), whose sum is σ = 9575516160. Its totient is φ = 4924509696.

The previous prime is 6980455379. The next prime is 6980455393. The reversal of 6980455391 is 1935540896.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 6980455391 - 2¹⁴ = 6980439007 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6980455393) 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, 89351 + ... + 148136.

It is an arithmetic number, because the mean of its divisors is an integer number (299234880).

Almost surely, 2^6980455391 is an apocalyptic number.

6980455391 is a deficient number, since it is larger than the sum of its proper divisors (2595060769).

6980455391 is a wasteful number, since it uses less digits than its factorization.

6980455391 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 237543.

The product of its (nonzero) digits is 1166400, while the sum is 50.

The square root of 6980455391 is about 83549.1196303109. The cubic root of 6980455391 is about 1911.1491664646.

The spelling of 6980455391 in words is "six billion, nine hundred eighty million, four hundred fifty-five thousand, three hundred ninety-one".