381114417547 has 2 divisors, whose sum is σ = 381114417548. Its totient is φ = 381114417546.

The previous prime is 381114417529. The next prime is 381114417569. The reversal of 381114417547 is 745714411183.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-381114417547 is a prime.

It is a super-2 number, since 2×381114417547² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 381114417497 and 381114417506.

It is not a weakly prime, because it can be changed into another prime (381114417247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 190557208773 + 190557208774.

It is an arithmetic number, because the mean of its divisors is an integer number (190557208774).

Almost surely, 2^381114417547 is an apocalyptic number.

381114417547 is a deficient number, since it is larger than the sum of its proper divisors (1).

381114417547 is an equidigital number, since it uses as much as digits as its factorization.

381114417547 is an evil number, because the sum of its binary digits is even.

The product of its digits is 376320, while the sum is 46.

The spelling of 381114417547 in words is "three hundred eighty-one billion, one hundred fourteen million, four hundred seventeen thousand, five hundred forty-seven".