6980688090 has 48 divisors (see below), whose sum is σ = 18316326600. Its totient is φ = 1844436096.

The previous prime is 6980688083. The next prime is 6980688101. The reversal of 6980688090 is 908860896.

It can be written as a sum of positive squares in 4 ways, for example, as 6644369169 + 336318921 = 81513^2 + 18339^2 .

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 345985 + ... + 365604.

Almost surely, 2^6980688090 is an apocalyptic number.

6980688090 is an abundant number, since it is smaller than the sum of its proper divisors (11335638510).

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

6980688090 is a wasteful number, since it uses less digits than its factorization.

6980688090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 711711 (or 711708 counting only the distinct ones).

The product of its (nonzero) digits is 1492992, while the sum is 54.

The square root of 6980688090 is about 83550.5122066885. The cubic root of 6980688090 is about 1911.1704027848.

The spelling of 6980688090 in words is "six billion, nine hundred eighty million, six hundred eighty-eight thousand, ninety".