19622597413 has 2 divisors, whose sum is σ = 19622597414. Its totient is φ = 19622597412.

The previous prime is 19622597387. The next prime is 19622597459. The reversal of 19622597413 is 31479522691.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 17415289089 + 2207308324 = 131967^2 + 46982^2 .

It is a cyclic number.

It is not a de Polignac number, because 19622597413 - 2²¹ = 19620500261 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (19622597473) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9811298706 + 9811298707.

It is an arithmetic number, because the mean of its divisors is an integer number (9811298707).

Almost surely, 2^19622597413 is an apocalyptic number.

It is an amenable number.

19622597413 is a deficient number, since it is larger than the sum of its proper divisors (1).

19622597413 is an equidigital number, since it uses as much as digits as its factorization.

19622597413 is an evil number, because the sum of its binary digits is even.

The product of its digits is 816480, while the sum is 49.

The spelling of 19622597413 in words is "nineteen billion, six hundred twenty-two million, five hundred ninety-seven thousand, four hundred thirteen".