19235924951 has 2 divisors, whose sum is σ = 19235924952. Its totient is φ = 19235924950.

The previous prime is 19235924947. The next prime is 19235924989. The reversal of 19235924951 is 15942953291.

It is a weak prime.

It is an emirp because it is prime and its reverse (15942953291) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 19235924951 - 2² = 19235924947 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 19235924951.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (19235924921) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9617962475 + 9617962476.

It is an arithmetic number, because the mean of its divisors is an integer number (9617962476).

Almost surely, 2^19235924951 is an apocalyptic number.

19235924951 is a deficient number, since it is larger than the sum of its proper divisors (1).

19235924951 is an equidigital number, since it uses as much as digits as its factorization.

19235924951 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 874800, while the sum is 50.

The spelling of 19235924951 in words is "nineteen billion, two hundred thirty-five million, nine hundred twenty-four thousand, nine hundred fifty-one".