946161219131 has 4 divisors (see below), whose sum is σ = 946164053064. Its totient is φ = 946158385200.

The previous prime is 946161219109. The next prime is 946161219137. The reversal of 946161219131 is 131912161649.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 131912161649 = 73 ⋅1807015913.

It is a cyclic number.

It is not a de Polignac number, because 946161219131 - 2²⁶ = 946094110267 is a prime.

It is a super-2 number, since 2×946161219131² (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 (946161219137) 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, 837050 + ... + 1610271.

It is an arithmetic number, because the mean of its divisors is an integer number (236541013266).

Almost surely, 2^946161219131 is an apocalyptic number.

946161219131 is a deficient number, since it is larger than the sum of its proper divisors (2833933).

946161219131 is a wasteful number, since it uses less digits than its factorization.

946161219131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2833932.

The product of its digits is 69984, while the sum is 44.

The spelling of 946161219131 in words is "nine hundred forty-six billion, one hundred sixty-one million, two hundred nineteen thousand, one hundred thirty-one".