381398972341 has 2 divisors, whose sum is σ = 381398972342. Its totient is φ = 381398972340.

The previous prime is 381398972291. The next prime is 381398972371. The reversal of 381398972341 is 143279893183.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 317705831716 + 63693140625 = 563654^2 + 252375^2 .

It is a cyclic number.

It is not a de Polignac number, because 381398972341 - 2¹⁵ = 381398939573 is a prime.

It is a super-2 number, since 2×381398972341² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (381398972371) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 190699486170 + 190699486171.

It is an arithmetic number, because the mean of its divisors is an integer number (190699486171).

Almost surely, 2^381398972341 is an apocalyptic number.

It is an amenable number.

381398972341 is a deficient number, since it is larger than the sum of its proper divisors (1).

381398972341 is an equidigital number, since it uses as much as digits as its factorization.

381398972341 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7838208, while the sum is 58.

The spelling of 381398972341 in words is "three hundred eighty-one billion, three hundred ninety-eight million, nine hundred seventy-two thousand, three hundred forty-one".