6980428251 has 24 divisors (see below), whose sum is σ = 10457928624. Its totient is φ = 4482993600.

The previous prime is 6980428243. The next prime is 6980428253. The reversal of 6980428251 is 1528240896.

It is not a de Polignac number, because 6980428251 - 2³ = 6980428243 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 6980428197 and 6980428206.

It is not an unprimeable number, because it can be changed into a prime (6980428253) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 70141 + ... + 137406.

It is an arithmetic number, because the mean of its divisors is an integer number (435747026).

Almost surely, 2^6980428251 is an apocalyptic number.

6980428251 is a deficient number, since it is larger than the sum of its proper divisors (3477500373).

6980428251 is a wasteful number, since it uses less digits than its factorization.

6980428251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207691 (or 207688 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 45.

The square root of 6980428251 is about 83548.9572107277. The cubic root of 6980428251 is about 1911.1466896130.

The spelling of 6980428251 in words is "six billion, nine hundred eighty million, four hundred twenty-eight thousand, two hundred fifty-one".