946131131649 has 16 divisors (see below), whose sum is σ = 1388369421504. Its totient is φ = 568338355200.

The previous prime is 946131131641. The next prime is 946131131653.

946131131649 is nontrivially palindromic in base 10.

946131131649 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 946131131649 - 2³ = 946131131641 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 946131131598 and 946131131607.

It is not an unprimeable number, because it can be changed into a prime (946131131641) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 126857512 + ... + 126864969.

It is an arithmetic number, because the mean of its divisors is an integer number (86773088844).

Almost surely, 2^946131131649 is an apocalyptic number.

It is an amenable number.

946131131649 is a deficient number, since it is larger than the sum of its proper divisors (442238289855).

946131131649 is a wasteful number, since it uses less digits than its factorization.

946131131649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 253722608.

The product of its digits is 419904, while the sum is 48.

The spelling of 946131131649 in words is "nine hundred forty-six billion, one hundred thirty-one million, one hundred thirty-one thousand, six hundred forty-nine".