966149493131 has 4 divisors (see below), whose sum is σ = 992261641632. Its totient is φ = 940037344632.

The previous prime is 966149493119. The next prime is 966149493143. The reversal of 966149493131 is 131394941669.

It is a happy number.

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

It is an interprime number because it is at equal distance from previous prime (966149493119) and next prime (966149493143).

It is a cyclic number.

It is not a de Polignac number, because 966149493131 - 2¹⁰ = 966149492107 is a prime.

It is a super-2 number, since 2×966149493131² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (966149493181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13056074195 + ... + 13056074268.

It is an arithmetic number, because the mean of its divisors is an integer number (248065410408).

Almost surely, 2^966149493131 is an apocalyptic number.

966149493131 is a deficient number, since it is larger than the sum of its proper divisors (26112148501).

966149493131 is a wasteful number, since it uses less digits than its factorization.

966149493131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26112148500.

The product of its digits is 3779136, while the sum is 56.

The spelling of 966149493131 in words is "nine hundred sixty-six billion, one hundred forty-nine million, four hundred ninety-three thousand, one hundred thirty-one".