7893234489 has 16 divisors (see below), whose sum is σ = 12029060480. Its totient is φ = 4509941760.

The previous prime is 7893234469. The next prime is 7893234491. The reversal of 7893234489 is 9844323987.

It is not a de Polignac number, because 7893234489 - 2¹⁶ = 7893168953 is a prime.

It is a super-2 number, since 2×7893234489² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (7893234409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 310347 + ... + 334815.

It is an arithmetic number, because the mean of its divisors is an integer number (751816280).

Almost surely, 2^7893234489 is an apocalyptic number.

It is an amenable number.

7893234489 is a deficient number, since it is larger than the sum of its proper divisors (4135825991).

7893234489 is a wasteful number, since it uses less digits than its factorization.

7893234489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39840.

The product of its digits is 10450944, while the sum is 57.

The square root of 7893234489 is about 88843.8770484494. The cubic root of 7893234489 is about 1991.0629985692.

The spelling of 7893234489 in words is "seven billion, eight hundred ninety-three million, two hundred thirty-four thousand, four hundred eighty-nine".