9348554381 has 2 divisors, whose sum is σ = 9348554382. Its totient is φ = 9348554380.

The previous prime is 9348554359. The next prime is 9348554387. The reversal of 9348554381 is 1834558439.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6482665225 + 2865889156 = 80515^2 + 53534^2 .

It is a cyclic number.

It is not a de Polignac number, because 9348554381 - 2¹⁸ = 9348292237 is a prime.

It is a super-2 number, since 2×9348554381² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9348554387) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4674277190 + 4674277191.

It is an arithmetic number, because the mean of its divisors is an integer number (4674277191).

Almost surely, 2^9348554381 is an apocalyptic number.

It is an amenable number.

9348554381 is a deficient number, since it is larger than the sum of its proper divisors (1).

9348554381 is an equidigital number, since it uses as much as digits as its factorization.

9348554381 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2073600, while the sum is 50.

The square root of 9348554381 is about 96687.9226222179. The cubic root of 9348554381 is about 2106.5971205805.

The spelling of 9348554381 in words is "nine billion, three hundred forty-eight million, five hundred fifty-four thousand, three hundred eighty-one".