3461139391 has 2 divisors, whose sum is σ = 3461139392. Its totient is φ = 3461139390.

The previous prime is 3461139373. The next prime is 3461139419. The reversal of 3461139391 is 1939311643.

It is a weak prime.

It is an emirp because it is prime and its reverse (1939311643) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3461139391 - 2²³ = 3452750783 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3461139301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1730569695 + 1730569696.

It is an arithmetic number, because the mean of its divisors is an integer number (1730569696).

Almost surely, 2^3461139391 is an apocalyptic number.

3461139391 is a deficient number, since it is larger than the sum of its proper divisors (1).

3461139391 is an equidigital number, since it uses as much as digits as its factorization.

3461139391 is an evil number, because the sum of its binary digits is even.

The product of its digits is 52488, while the sum is 40.

The square root of 3461139391 is about 58831.4489962639. The cubic root of 3461139391 is about 1512.6543362396.

The spelling of 3461139391 in words is "three billion, four hundred sixty-one million, one hundred thirty-nine thousand, three hundred ninety-one".