19525684223 has 2 divisors, whose sum is σ = 19525684224. Its totient is φ = 19525684222.

The previous prime is 19525684187. The next prime is 19525684231. The reversal of 19525684223 is 32248652591.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 19525684223 - 2¹⁸ = 19525422079 is a prime.

It is a super-2 number, since 2×19525684223² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (19525684523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9762842111 + 9762842112.

It is an arithmetic number, because the mean of its divisors is an integer number (9762842112).

Almost surely, 2^19525684223 is an apocalyptic number.

19525684223 is a deficient number, since it is larger than the sum of its proper divisors (1).

19525684223 is an equidigital number, since it uses as much as digits as its factorization.

19525684223 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1036800, while the sum is 47.

The spelling of 19525684223 in words is "nineteen billion, five hundred twenty-five million, six hundred eighty-four thousand, two hundred twenty-three".