9142639023 has 16 divisors (see below), whose sum is σ = 13963389440. Its totient is φ = 5212459296.

The previous prime is 9142638971. The next prime is 9142639039. The reversal of 9142639023 is 3209362419.

9142639023 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 9142639023 - 2¹⁴ = 9142622639 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9142639043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 486640 + ... + 505077.

It is an arithmetic number, because the mean of its divisors is an integer number (872711840).

Almost surely, 2^9142639023 is an apocalyptic number.

9142639023 is a deficient number, since it is larger than the sum of its proper divisors (4820750417).

9142639023 is a wasteful number, since it uses less digits than its factorization.

9142639023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 992166.

The product of its (nonzero) digits is 69984, while the sum is 39.

The square root of 9142639023 is about 95617.1481639146. The cubic root of 9142639023 is about 2091.0152056825.

The spelling of 9142639023 in words is "nine billion, one hundred forty-two million, six hundred thirty-nine thousand, twenty-three".