19059136937 has 2 divisors, whose sum is σ = 19059136938. Its totient is φ = 19059136936.

The previous prime is 19059136907. The next prime is 19059136969. The reversal of 19059136937 is 73963195091.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12243643801 + 6815493136 = 110651^2 + 82556^2 .

It is an emirp because it is prime and its reverse (73963195091) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 19059136937 - 2¹⁰ = 19059135913 is a prime.

It is not a weakly prime, because it can be changed into another prime (19059136907) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9529568468 + 9529568469.

It is an arithmetic number, because the mean of its divisors is an integer number (9529568469).

Almost surely, 2^19059136937 is an apocalyptic number.

It is an amenable number.

19059136937 is a deficient number, since it is larger than the sum of its proper divisors (1).

19059136937 is an equidigital number, since it uses as much as digits as its factorization.

19059136937 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1377810, while the sum is 53.

The spelling of 19059136937 in words is "nineteen billion, fifty-nine million, one hundred thirty-six thousand, nine hundred thirty-seven".