3481144391 has 2 divisors, whose sum is σ = 3481144392. Its totient is φ = 3481144390.

The previous prime is 3481144363. The next prime is 3481144409. The reversal of 3481144391 is 1934411843.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3481144391 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3481144301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1740572195 + 1740572196.

It is an arithmetic number, because the mean of its divisors is an integer number (1740572196).

Almost surely, 2^3481144391 is an apocalyptic number.

3481144391 is a deficient number, since it is larger than the sum of its proper divisors (1).

3481144391 is an equidigital number, since it uses as much as digits as its factorization.

3481144391 is an evil number, because the sum of its binary digits is even.

The product of its digits is 41472, while the sum is 38.

The square root of 3481144391 is about 59001.2236398534. The cubic root of 3481144391 is about 1515.5630638783.

The spelling of 3481144391 in words is "three billion, four hundred eighty-one million, one hundred forty-four thousand, three hundred ninety-one".