1522002439973 has 2 divisors, whose sum is σ = 1522002439974. Its totient is φ = 1522002439972.

The previous prime is 1522002439877. The next prime is 1522002440017. The reversal of 1522002439973 is 3799342002251.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 996896411809 + 525106028164 = 998447^2 + 724642^2 .

It is a cyclic number.

It is not a de Polignac number, because 1522002439973 - 2¹⁰ = 1522002438949 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1522002439073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 761001219986 + 761001219987.

It is an arithmetic number, because the mean of its divisors is an integer number (761001219987).

Almost surely, 2^{1522002439973} is an apocalyptic number.

It is an amenable number.

1522002439973 is a deficient number, since it is larger than the sum of its proper divisors (1).

1522002439973 is an equidigital number, since it uses as much as digits as its factorization.

1522002439973 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 816480, while the sum is 47.

The spelling of 1522002439973 in words is "one trillion, five hundred twenty-two billion, two million, four hundred thirty-nine thousand, nine hundred seventy-three".