946631036421 has 48 divisors (see below), whose sum is σ = 1654773314688. Its totient is φ = 509063961600.

The previous prime is 946631036371. The next prime is 946631036423. The reversal of 946631036421 is 124630136649.

946631036421 is a `hidden beast` number, since 9 + 4 + 6 + 631 + 0 + 3 + 6 + 4 + 2 + 1 = 666.

It is not a de Polignac number, because 946631036421 - 2⁶ = 946631036357 is a prime.

It is a super-2 number, since 2×946631036421² (a number of 25 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (946631036423) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 13116966 + ... + 13188936.

It is an arithmetic number, because the mean of its divisors is an integer number (34474444056).

Almost surely, 2^946631036421 is an apocalyptic number.

It is an amenable number.

946631036421 is a deficient number, since it is larger than the sum of its proper divisors (708142278267).

946631036421 is a wasteful number, since it uses less digits than its factorization.

946631036421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84282 (or 84279 counting only the distinct ones).

The product of its (nonzero) digits is 559872, while the sum is 45.

The spelling of 946631036421 in words is "nine hundred forty-six billion, six hundred thirty-one million, thirty-six thousand, four hundred twenty-one".