19047190429 has 4 divisors (see below), whose sum is σ = 19050944220. Its totient is φ = 19043436640.

The previous prime is 19047190417. The next prime is 19047190451. The reversal of 19047190429 is 92409174091.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 6609364804 + 12437825625 = 81298^2 + 111525^2 .

It is a cyclic number.

It is not a de Polignac number, because 19047190429 - 2⁵ = 19047190397 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19047190489) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1869274 + ... + 1879435.

It is an arithmetic number, because the mean of its divisors is an integer number (4762736055).

Almost surely, 2^19047190429 is an apocalyptic number.

It is an amenable number.

19047190429 is a deficient number, since it is larger than the sum of its proper divisors (3753791).

19047190429 is an equidigital number, since it uses as much as digits as its factorization.

19047190429 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3753790.

The product of its (nonzero) digits is 163296, while the sum is 46.

It can be divided in two parts, 190471 and 90429, that added together give a square (280900 = 530²).

The spelling of 19047190429 in words is "nineteen billion, forty-seven million, one hundred ninety thousand, four hundred twenty-nine".