19625061793 has 2 divisors, whose sum is σ = 19625061794. Its totient is φ = 19625061792.

The previous prime is 19625061787. The next prime is 19625061809. The reversal of 19625061793 is 39716052691.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11605321984 + 8019739809 = 107728^2 + 89553^2 .

It is a cyclic number.

It is not a de Polignac number, because 19625061793 - 2²⁵ = 19591507361 is a prime.

It is not a weakly prime, because it can be changed into another prime (19625061713) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9812530896 + 9812530897.

It is an arithmetic number, because the mean of its divisors is an integer number (9812530897).

Almost surely, 2^19625061793 is an apocalyptic number.

It is an amenable number.

19625061793 is a deficient number, since it is larger than the sum of its proper divisors (1).

19625061793 is an equidigital number, since it uses as much as digits as its factorization.

19625061793 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 612360, while the sum is 49.

The spelling of 19625061793 in words is "nineteen billion, six hundred twenty-five million, sixty-one thousand, seven hundred ninety-three".