9902374147 has 4 divisors (see below), whose sum is σ = 9907668576. Its totient is φ = 9897079720.

The previous prime is 9902374109. The next prime is 9902374151. The reversal of 9902374147 is 7414732099.

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-9902374147 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 9902374097 and 9902374106.

It is not an unprimeable number, because it can be changed into a prime (9902374177) 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, 2644408 + ... + 2648149.

It is an arithmetic number, because the mean of its divisors is an integer number (2476917144).

Almost surely, 2^9902374147 is an apocalyptic number.

9902374147 is a deficient number, since it is larger than the sum of its proper divisors (5294429).

9902374147 is a wasteful number, since it uses less digits than its factorization.

9902374147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5294428.

The product of its (nonzero) digits is 381024, while the sum is 46.

The square root of 9902374147 is about 99510.6735330437. The cubic root of 9902374147 is about 2147.4007996666.

The spelling of 9902374147 in words is "nine billion, nine hundred two million, three hundred seventy-four thousand, one hundred forty-seven".