6948918154 has 4 divisors (see below), whose sum is σ = 10423377234. Its totient is φ = 3474459076.

The previous prime is 6948918149. The next prime is 6948918167. The reversal of 6948918154 is 4518198496.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 6126662529 + 822255625 = 78273^2 + 28675^2 .

It is a junction number, because it is equal to n+sod(n) for n = 6948918095 and 6948918104.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1737229537 + ... + 1737229540.

Almost surely, 2^6948918154 is an apocalyptic number.

6948918154 is a deficient number, since it is larger than the sum of its proper divisors (3474459080).

6948918154 is a wasteful number, since it uses less digits than its factorization.

6948918154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3474459079.

The product of its digits is 2488320, while the sum is 55.

The square root of 6948918154 is about 83360.1712690179. The cubic root of 6948918154 is about 1908.2666725014.

The spelling of 6948918154 in words is "six billion, nine hundred forty-eight million, nine hundred eighteen thousand, one hundred fifty-four".