19469688031 has 2 divisors, whose sum is σ = 19469688032. Its totient is φ = 19469688030.

The previous prime is 19469687987. The next prime is 19469688047. The reversal of 19469688031 is 13088696491.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 19469688031 - 2¹⁹ = 19469163743 is a prime.

It is a super-2 number, since 2×19469688031² (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 (19469688131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9734844015 + 9734844016.

It is an arithmetic number, because the mean of its divisors is an integer number (9734844016).

Almost surely, 2^19469688031 is an apocalyptic number.

19469688031 is a deficient number, since it is larger than the sum of its proper divisors (1).

19469688031 is an equidigital number, since it uses as much as digits as its factorization.

19469688031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2239488, while the sum is 55.

The spelling of 19469688031 in words is "nineteen billion, four hundred sixty-nine million, six hundred eighty-eight thousand, thirty-one".