9438749089 has 32 divisors (see below), whose sum is σ = 11898316800. Its totient is φ = 7273593600.

The previous prime is 9438749081. The next prime is 9438749101. The reversal of 9438749089 is 9809478349.

It is not a de Polignac number, because 9438749089 - 2³ = 9438749081 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9438749081) 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, 5210994 + ... + 5212804.

It is an arithmetic number, because the mean of its divisors is an integer number (371822400).

Almost surely, 2^9438749089 is an apocalyptic number.

It is an amenable number.

9438749089 is a deficient number, since it is larger than the sum of its proper divisors (2459567711).

9438749089 is a wasteful number, since it uses less digits than its factorization.

9438749089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2541.

The product of its (nonzero) digits is 15676416, while the sum is 61.

The square root of 9438749089 is about 97153.2247997976. The cubic root of 9438749089 is about 2113.3502543506.

The spelling of 9438749089 in words is "nine billion, four hundred thirty-eight million, seven hundred forty-nine thousand, eighty-nine".