6998718054 has 64 divisors (see below), whose sum is σ = 14603553216. Its totient is φ = 2234179584.

The previous prime is 6998718031. The next prime is 6998718059. The reversal of 6998718054 is 4508178996.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 6998717985 and 6998718003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6998718059) 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, 3937614 + ... + 3939390.

It is an arithmetic number, because the mean of its divisors is an integer number (228180519).

Almost surely, 2^6998718054 is an apocalyptic number.

6998718054 is an abundant number, since it is smaller than the sum of its proper divisors (7604835162).

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

6998718054 is a wasteful number, since it uses less digits than its factorization.

6998718054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2089.

The product of its (nonzero) digits is 4354560, while the sum is 57.

The square root of 6998718054 is about 83658.3412099475. The cubic root of 6998718054 is about 1912.8144006680.

The spelling of 6998718054 in words is "six billion, nine hundred ninety-eight million, seven hundred eighteen thousand, fifty-four".