2642371573 has 2 divisors, whose sum is σ = 2642371574. Its totient is φ = 2642371572.

The previous prime is 2642371541. The next prime is 2642371603. The reversal of 2642371573 is 3751732462.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2084561649 + 557809924 = 45657^2 + 23618^2 .

It is a cyclic number.

It is not a de Polignac number, because 2642371573 - 2⁵ = 2642371541 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2642371673) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1321185786 + 1321185787.

It is an arithmetic number, because the mean of its divisors is an integer number (1321185787).

Almost surely, 2^2642371573 is an apocalyptic number.

It is an amenable number.

2642371573 is a deficient number, since it is larger than the sum of its proper divisors (1).

2642371573 is an equidigital number, since it uses as much as digits as its factorization.

2642371573 is an evil number, because the sum of its binary digits is even.

The product of its digits is 211680, while the sum is 40.

The square root of 2642371573 is about 51404.0034724923. The cubic root of 2642371573 is about 1382.4983749969.

The spelling of 2642371573 in words is "two billion, six hundred forty-two million, three hundred seventy-one thousand, five hundred seventy-three".