93143899947 has 32 divisors (see below), whose sum is σ = 143895121920. Its totient is φ = 52494492960.

The previous prime is 93143899939. The next prime is 93143899967. The reversal of 93143899947 is 74999834139.

It is not a de Polignac number, because 93143899947 - 2³ = 93143899939 is a prime.

It is not an unprimeable number, because it can be changed into a prime (93143899907) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 344554 + ... + 552272.

It is an arithmetic number, because the mean of its divisors is an integer number (4496722560).

Almost surely, 2^93143899947 is an apocalyptic number.

93143899947 is a deficient number, since it is larger than the sum of its proper divisors (50751221973).

93143899947 is a wasteful number, since it uses less digits than its factorization.

93143899947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208023.

The product of its digits is 52907904, while the sum is 66.

The spelling of 93143899947 in words is "ninety-three billion, one hundred forty-three million, eight hundred ninety-nine thousand, nine hundred forty-seven".