23829887494 has 16 divisors (see below), whose sum is σ = 40866732288. Its totient is φ = 10208934792.

The previous prime is 23829887491. The next prime is 23829887551. The reversal of 23829887494 is 49478892832.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23829887491) 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 7 ways as a sum of consecutive naturals, for example, 284464 + ... + 358579.

It is an arithmetic number, because the mean of its divisors is an integer number (2554170768).

Almost surely, 2^23829887494 is an apocalyptic number.

23829887494 is a deficient number, since it is larger than the sum of its proper divisors (17036844794).

23829887494 is a wasteful number, since it uses less digits than its factorization.

23829887494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 645699.

The product of its digits is 55738368, while the sum is 64.

The spelling of 23829887494 in words is "twenty-three billion, eight hundred twenty-nine million, eight hundred eighty-seven thousand, four hundred ninety-four".