24131505973 has 2 divisors, whose sum is σ = 24131505974. Its totient is φ = 24131505972.

The previous prime is 24131505961. The next prime is 24131505991. The reversal of 24131505973 is 37950513142.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 16344855409 + 7786650564 = 127847^2 + 88242^2 .

It is a cyclic number.

It is not a de Polignac number, because 24131505973 - 2¹⁷ = 24131374901 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (24131505373) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12065752986 + 12065752987.

It is an arithmetic number, because the mean of its divisors is an integer number (12065752987).

Almost surely, 2^24131505973 is an apocalyptic number.

It is an amenable number.

24131505973 is a deficient number, since it is larger than the sum of its proper divisors (1).

24131505973 is an equidigital number, since it uses as much as digits as its factorization.

24131505973 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 113400, while the sum is 40.

The spelling of 24131505973 in words is "twenty-four billion, one hundred thirty-one million, five hundred five thousand, nine hundred seventy-three".