19212502037 has 2 divisors, whose sum is σ = 19212502038. Its totient is φ = 19212502036.

The previous prime is 19212502031. The next prime is 19212502069. The reversal of 19212502037 is 73020521291.

It is an a-pointer prime, because the next prime (19212502069) can be obtained adding 19212502037 to its sum of digits (32).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11596274596 + 7616227441 = 107686^2 + 87271^2 .

It is a cyclic number.

It is not a de Polignac number, because 19212502037 - 2²⁰ = 19211453461 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 19212501994 and 19212502012.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (19212502031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9606251018 + 9606251019.

It is an arithmetic number, because the mean of its divisors is an integer number (9606251019).

Almost surely, 2^19212502037 is an apocalyptic number.

It is an amenable number.

19212502037 is a deficient number, since it is larger than the sum of its proper divisors (1).

19212502037 is an equidigital number, since it uses as much as digits as its factorization.

19212502037 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7560, while the sum is 32.

The spelling of 19212502037 in words is "nineteen billion, two hundred twelve million, five hundred two thousand, thirty-seven".