5961491906 has 8 divisors (see below), whose sum is σ = 8958293820. Its totient is φ = 2975393968.

The previous prime is 5961491873. The next prime is 5961491947. The reversal of 5961491906 is 6091941695.

It can be written as a sum of positive squares in 2 ways, for example, as 5953511281 + 7980625 = 77159^2 + 2825^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2674601 + ... + 2676828.

Almost surely, 2^5961491906 is an apocalyptic number.

5961491906 is a deficient number, since it is larger than the sum of its proper divisors (2996801914).

5961491906 is a wasteful number, since it uses less digits than its factorization.

5961491906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5351988.

The product of its (nonzero) digits is 524880, while the sum is 50.

The square root of 5961491906 is about 77210.6981318004. The cubic root of 5961491906 is about 1813.2248103651.

The spelling of 5961491906 in words is "five billion, nine hundred sixty-one million, four hundred ninety-one thousand, nine hundred six".