381612711829 has 2 divisors, whose sum is σ = 381612711830. Its totient is φ = 381612711828.

The previous prime is 381612711791. The next prime is 381612711863. The reversal of 381612711829 is 928117216183.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 380874122500 + 738589329 = 617150^2 + 27177^2 .

It is a cyclic number.

It is not a de Polignac number, because 381612711829 - 2¹⁵ = 381612679061 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (381612711329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 190806355914 + 190806355915.

It is an arithmetic number, because the mean of its divisors is an integer number (190806355915).

Almost surely, 2^381612711829 is an apocalyptic number.

It is an amenable number.

381612711829 is a deficient number, since it is larger than the sum of its proper divisors (1).

381612711829 is an equidigital number, since it uses as much as digits as its factorization.

381612711829 is an evil number, because the sum of its binary digits is even.

The product of its digits is 290304, while the sum is 49.

The spelling of 381612711829 in words is "three hundred eighty-one billion, six hundred twelve million, seven hundred eleven thousand, eight hundred twenty-nine".