9943415025412 has 24 divisors (see below), whose sum is σ = 18989660646432. Its totient is φ = 4518120432000.

The previous prime is 9943415025403. The next prime is 9943415025433. The reversal of 9943415025412 is 2145205143499.

It is a hoax number, since the sum of its digits (49) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40217118 + ... + 40463605.

It is an arithmetic number, because the mean of its divisors is an integer number (791235860268).

Almost surely, 2^{9943415025412} is an apocalyptic number.

It is an amenable number.

9943415025412 is a deficient number, since it is larger than the sum of its proper divisors (9046245621020).

9943415025412 is a wasteful number, since it uses less digits than its factorization.

9943415025412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80683539 (or 80683537 counting only the distinct ones).

The product of its (nonzero) digits is 1555200, while the sum is 49.

The spelling of 9943415025412 in words is "nine trillion, nine hundred forty-three billion, four hundred fifteen million, twenty-five thousand, four hundred twelve".