9736143990 has 32 divisors (see below), whose sum is σ = 23807631456. Its totient is φ = 2547317760.

The previous prime is 9736143983. The next prime is 9736144009. The reversal of 9736143990 is 993416379.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3060091 + ... + 3063270.

It is an arithmetic number, because the mean of its divisors is an integer number (743988483).

Almost surely, 2^9736143990 is an apocalyptic number.

9736143990 is an abundant number, since it is smaller than the sum of its proper divisors (14071487466).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9736143990 is a wasteful number, since it uses less digits than its factorization.

9736143990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6123424.

The product of its (nonzero) digits is 1102248, while the sum is 51.

The square root of 9736143990 is about 98671.9007113981. The cubic root of 9736143990 is about 2135.3168610516.

The spelling of 9736143990 in words is "nine billion, seven hundred thirty-six million, one hundred forty-three thousand, nine hundred ninety".