6949839546 has 48 divisors (see below), whose sum is σ = 16227227016. Its totient is φ = 2136970368.

The previous prime is 6949839541. The next prime is 6949839553. The reversal of 6949839546 is 6459389496.

6949839546 is a `hidden beast` number, since 6 + 9 + 4 + 9 + 83 + 9 + 546 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 4413609225 + 2536230321 = 66435^2 + 50361^2 .

It is a super-2 number, since 2×6949839546² = 96600539430290972232, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (6949839541) 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, 368236 + ... + 386648.

Almost surely, 2^6949839546 is an apocalyptic number.

6949839546 is an abundant number, since it is smaller than the sum of its proper divisors (9277387470).

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

6949839546 is a wasteful number, since it uses less digits than its factorization.

6949839546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20047 (or 20044 counting only the distinct ones).

The product of its digits is 50388480, while the sum is 63.

The square root of 6949839546 is about 83365.6976579696. The cubic root of 6949839546 is about 1908.3510109984.

The spelling of 6949839546 in words is "six billion, nine hundred forty-nine million, eight hundred thirty-nine thousand, five hundred forty-six".