19234634831 has 2 divisors, whose sum is σ = 19234634832. Its totient is φ = 19234634830.

The previous prime is 19234634789. The next prime is 19234634843. The reversal of 19234634831 is 13843643291.

It is a strong prime.

It is an emirp because it is prime and its reverse (13843643291) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-19234634831 is a prime.

It is a super-2 number, since 2×19234634831² (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 (19234634851) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9617317415 + 9617317416.

It is an arithmetic number, because the mean of its divisors is an integer number (9617317416).

Almost surely, 2^19234634831 is an apocalyptic number.

19234634831 is a deficient number, since it is larger than the sum of its proper divisors (1).

19234634831 is an equidigital number, since it uses as much as digits as its factorization.

19234634831 is an evil number, because the sum of its binary digits is even.

The product of its digits is 373248, while the sum is 44.

The spelling of 19234634831 in words is "nineteen billion, two hundred thirty-four million, six hundred thirty-four thousand, eight hundred thirty-one".