2401520344973 has 2 divisors, whose sum is σ = 2401520344974. Its totient is φ = 2401520344972.

The previous prime is 2401520344957. The next prime is 2401520345017. The reversal of 2401520344973 is 3794430251042.

It is a happy number.

It is an a-pointer prime, because the next prime (2401520345017) can be obtained adding 2401520344973 to its sum of digits (44).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2400832489444 + 687855529 = 1549462^2 + 26227^2 .

It is a cyclic number.

It is not a de Polignac number, because 2401520344973 - 2⁴ = 2401520344957 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2401520344273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1200760172486 + 1200760172487.

It is an arithmetic number, because the mean of its divisors is an integer number (1200760172487).

Almost surely, 2^{2401520344973} is an apocalyptic number.

It is an amenable number.

2401520344973 is a deficient number, since it is larger than the sum of its proper divisors (1).

2401520344973 is an equidigital number, since it uses as much as digits as its factorization.

2401520344973 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 725760, while the sum is 44.

The spelling of 2401520344973 in words is "two trillion, four hundred one billion, five hundred twenty million, three hundred forty-four thousand, nine hundred seventy-three".