381619126019 has 2 divisors, whose sum is σ = 381619126020. Its totient is φ = 381619126018.

The previous prime is 381619125973. The next prime is 381619126073. The reversal of 381619126019 is 910621916183.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 381619126019 - 2²⁰ = 381618077443 is a prime.

It is a super-2 number, since 2×381619126019² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (381619126519) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 190809563009 + 190809563010.

It is an arithmetic number, because the mean of its divisors is an integer number (190809563010).

Almost surely, 2^381619126019 is an apocalyptic number.

381619126019 is a deficient number, since it is larger than the sum of its proper divisors (1).

381619126019 is an equidigital number, since it uses as much as digits as its factorization.

381619126019 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 139968, while the sum is 47.

The spelling of 381619126019 in words is "three hundred eighty-one billion, six hundred nineteen million, one hundred twenty-six thousand, nineteen".