9400100947 has 4 divisors (see below), whose sum is σ = 9400507216. Its totient is φ = 9399694680.

The previous prime is 9400100933. The next prime is 9400100951. The reversal of 9400100947 is 7490010049.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9400100947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9400100917) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 166188 + ... + 215449.

It is an arithmetic number, because the mean of its divisors is an integer number (2350126804).

Almost surely, 2^9400100947 is an apocalyptic number.

9400100947 is a deficient number, since it is larger than the sum of its proper divisors (406269).

9400100947 is a wasteful number, since it uses less digits than its factorization.

9400100947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 406268.

The product of its (nonzero) digits is 9072, while the sum is 34.

The square root of 9400100947 is about 96954.1177413316. The cubic root of 9400100947 is about 2110.4618492159.

The spelling of 9400100947 in words is "nine billion, four hundred million, one hundred thousand, nine hundred forty-seven".