2399769534 has 8 divisors (see below), whose sum is σ = 4799539080. Its totient is φ = 799923176.

The previous prime is 2399769523. The next prime is 2399769539. The reversal of 2399769534 is 4359679932.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

2399769534 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2399769539) 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 3 ways as a sum of consecutive naturals, for example, 199980789 + ... + 199980800.

It is an arithmetic number, because the mean of its divisors is an integer number (599942385).

Almost surely, 2^2399769534 is an apocalyptic number.

2399769534 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2399769534 is a wasteful number, since it uses less digits than its factorization.

2399769534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 399961594.

The product of its digits is 11022480, while the sum is 57.

The square root of 2399769534 is about 48987.4426154295. The cubic root of 2399769534 is about 1338.8230428107.

The spelling of 2399769534 in words is "two billion, three hundred ninety-nine million, seven hundred sixty-nine thousand, five hundred thirty-four".