19215030037 has 4 divisors (see below), whose sum is σ = 21960034336. Its totient is φ = 16470025740.

The previous prime is 19215030019. The next prime is 19215030041. The reversal of 19215030037 is 73003051291.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 73003051291 = 4561 ⋅16005931.

It is not a de Polignac number, because 19215030037 - 2¹¹ = 19215027989 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 19215029990 and 19215030008.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19215030007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1372502139 + ... + 1372502152.

It is an arithmetic number, because the mean of its divisors is an integer number (5490008584).

Almost surely, 2^19215030037 is an apocalyptic number.

It is an amenable number.

19215030037 is a deficient number, since it is larger than the sum of its proper divisors (2745004299).

19215030037 is an equidigital number, since it uses as much as digits as its factorization.

19215030037 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2745004298.

The product of its (nonzero) digits is 5670, while the sum is 31.

The spelling of 19215030037 in words is "nineteen billion, two hundred fifteen million, thirty thousand, thirty-seven".