19634708141 has 2 divisors, whose sum is σ = 19634708142. Its totient is φ = 19634708140.

The previous prime is 19634708083. The next prime is 19634708143. The reversal of 19634708141 is 14180743691.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10517322916 + 9117385225 = 102554^2 + 95485^2 .

It is a cyclic number.

It is not a de Polignac number, because 19634708141 - 2³⁴ = 2454838957 is a prime.

Together with 19634708143, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 19634708092 and 19634708101.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (19634708143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9817354070 + 9817354071.

It is an arithmetic number, because the mean of its divisors is an integer number (9817354071).

Almost surely, 2^19634708141 is an apocalyptic number.

It is an amenable number.

19634708141 is a deficient number, since it is larger than the sum of its proper divisors (1).

19634708141 is an equidigital number, since it uses as much as digits as its factorization.

19634708141 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 145152, while the sum is 44.

The spelling of 19634708141 in words is "nineteen billion, six hundred thirty-four million, seven hundred eight thousand, one hundred forty-one".