6905949516 has 30 divisors (see below), whose sum is σ = 18053517020. Its totient is φ = 2301983064.

The previous prime is 6905949487. The next prime is 6905949563. The reversal of 6905949516 is 6159495096.

6905949516 is a `hidden beast` number, since 6 + 90 + 59 + 495 + 16 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 10657006 + ... + 10657653.

Almost surely, 2^6905949516 is an apocalyptic number.

It is an amenable number.

6905949516 is an abundant number, since it is smaller than the sum of its proper divisors (11147567504).

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

6905949516 is a wasteful number, since it uses less digits than its factorization.

6905949516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21314675 (or 21314664 counting only the distinct ones).

The product of its (nonzero) digits is 2624400, while the sum is 54.

The square root of 6905949516 is about 83102.0427907762. The cubic root of 6905949516 is about 1904.3252815455.

The spelling of 6905949516 in words is "six billion, nine hundred five million, nine hundred forty-nine thousand, five hundred sixteen".