19372929101 has 2 divisors, whose sum is σ = 19372929102. Its totient is φ = 19372929100.

The previous prime is 19372929047. The next prime is 19372929109. The reversal of 19372929101 is 10192927391.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14697925225 + 4675003876 = 121235^2 + 68374^2 .

It is an emirp because it is prime and its reverse (10192927391) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 19372929101 - 2¹⁰ = 19372928077 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (19372929109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9686464550 + 9686464551.

It is an arithmetic number, because the mean of its divisors is an integer number (9686464551).

Almost surely, 2^19372929101 is an apocalyptic number.

It is an amenable number.

19372929101 is a deficient number, since it is larger than the sum of its proper divisors (1).

19372929101 is an equidigital number, since it uses as much as digits as its factorization.

19372929101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 61236, while the sum is 44.

The spelling of 19372929101 in words is "nineteen billion, three hundred seventy-two million, nine hundred twenty-nine thousand, one hundred one".