381437415349 has 2 divisors, whose sum is σ = 381437415350. Its totient is φ = 381437415348.

The previous prime is 381437415319. The next prime is 381437415397. The reversal of 381437415349 is 943514734183.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 341619208324 + 39818207025 = 584482^2 + 199545^2 .

It is a cyclic number.

It is not a de Polignac number, because 381437415349 - 2²⁷ = 381303197621 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 381437415296 and 381437415305.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (381437415319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 190718707674 + 190718707675.

It is an arithmetic number, because the mean of its divisors is an integer number (190718707675).

Almost surely, 2^381437415349 is an apocalyptic number.

It is an amenable number.

381437415349 is a deficient number, since it is larger than the sum of its proper divisors (1).

381437415349 is an equidigital number, since it uses as much as digits as its factorization.

381437415349 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4354560, while the sum is 52.

The spelling of 381437415349 in words is "three hundred eighty-one billion, four hundred thirty-seven million, four hundred fifteen thousand, three hundred forty-nine".