24992820381 has 16 divisors (see below), whose sum is σ = 35120330240. Its totient is φ = 15765729840.

The previous prime is 24992820361. The next prime is 24992820401. The reversal of 24992820381 is 18302829942.

It is an interprime number because it is at equal distance from previous prime (24992820361) and next prime (24992820401).

It is not a de Polignac number, because 24992820381 - 2⁷ = 24992820253 is a prime.

It is a super-2 number, since 2×24992820381² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 24992820381.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (24992820361) 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, 219475 + ... + 313296.

It is an arithmetic number, because the mean of its divisors is an integer number (2195020640).

Almost surely, 2^24992820381 is an apocalyptic number.

It is an amenable number.

24992820381 is a deficient number, since it is larger than the sum of its proper divisors (10127509859).

24992820381 is a wasteful number, since it uses less digits than its factorization.

24992820381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 533616.

The product of its (nonzero) digits is 497664, while the sum is 48.

The spelling of 24992820381 in words is "twenty-four billion, nine hundred ninety-two million, eight hundred twenty thousand, three hundred eighty-one".