1830472371829 has 2 divisors, whose sum is σ = 1830472371830. Its totient is φ = 1830472371828.

The previous prime is 1830472371779. The next prime is 1830472371853. The reversal of 1830472371829 is 9281732740381.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1766413774225 + 64058597604 = 1329065^2 + 253098^2 .

It is a cyclic number.

It is not a de Polignac number, because 1830472371829 - 2²³ = 1830463983221 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1830472371829.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1830472371859) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 915236185914 + 915236185915.

It is an arithmetic number, because the mean of its divisors is an integer number (915236185915).

Almost surely, 2^{1830472371829} is an apocalyptic number.

It is an amenable number.

1830472371829 is a deficient number, since it is larger than the sum of its proper divisors (1).

1830472371829 is an equidigital number, since it uses as much as digits as its factorization.

1830472371829 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4064256, while the sum is 55.

The spelling of 1830472371829 in words is "one trillion, eight hundred thirty billion, four hundred seventy-two million, three hundred seventy-one thousand, eight hundred twenty-nine".