6401602573 has 2 divisors, whose sum is σ = 6401602574. Its totient is φ = 6401602572.

The previous prime is 6401602567. The next prime is 6401602631. The reversal of 6401602573 is 3752061046.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5751250569 + 650352004 = 75837^2 + 25502^2 .

It is a cyclic number.

It is not a de Polignac number, because 6401602573 - 2⁹ = 6401602061 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6401602073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3200801286 + 3200801287.

It is an arithmetic number, because the mean of its divisors is an integer number (3200801287).

Almost surely, 2^6401602573 is an apocalyptic number.

It is an amenable number.

6401602573 is a deficient number, since it is larger than the sum of its proper divisors (1).

6401602573 is an equidigital number, since it uses as much as digits as its factorization.

6401602573 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 30240, while the sum is 34.

The square root of 6401602573 is about 80010.0154543167. The cubic root of 6401602573 is about 1856.7904889484.

The spelling of 6401602573 in words is "six billion, four hundred one million, six hundred two thousand, five hundred seventy-three".