19868137341 has 16 divisors (see below), whose sum is σ = 30030114240. Its totient is φ = 11583043200.

The previous prime is 19868137327. The next prime is 19868137343. The reversal of 19868137341 is 14373186891.

It is a happy number.

It is not a de Polignac number, because 19868137341 - 2⁷ = 19868137213 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19868137343) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13405560 + ... + 13407041.

It is an arithmetic number, because the mean of its divisors is an integer number (1876882140).

Almost surely, 2^19868137341 is an apocalyptic number.

It is an amenable number.

19868137341 is a deficient number, since it is larger than the sum of its proper divisors (10161976899).

19868137341 is a wasteful number, since it uses less digits than its factorization.

19868137341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26812636.

The product of its digits is 870912, while the sum is 51.

The spelling of 19868137341 in words is "nineteen billion, eight hundred sixty-eight million, one hundred thirty-seven thousand, three hundred forty-one".