946121879461 has 32 divisors (see below), whose sum is σ = 1051896787200. Its totient is φ = 843825600000.

The previous prime is 946121879411. The next prime is 946121879537. The reversal of 946121879461 is 164978121649.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 946121879461 - 2¹³ = 946121871269 is a prime.

It is a super-2 number, since 2×946121879461² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 946121879396 and 946121879405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (946121879411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 68607355 + ... + 68621143.

It is an arithmetic number, because the mean of its divisors is an integer number (32871774600).

Almost surely, 2^946121879461 is an apocalyptic number.

It is an amenable number.

946121879461 is a deficient number, since it is larger than the sum of its proper divisors (105774907739).

946121879461 is a wasteful number, since it uses less digits than its factorization.

946121879461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14461.

The product of its digits is 5225472, while the sum is 58.

The spelling of 946121879461 in words is "nine hundred forty-six billion, one hundred twenty-one million, eight hundred seventy-nine thousand, four hundred sixty-one".