13461401491 has 2 divisors, whose sum is σ = 13461401492. Its totient is φ = 13461401490.

The previous prime is 13461401489. The next prime is 13461401509. The reversal of 13461401491 is 19410416431.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13461401491 - 2¹ = 13461401489 is a prime.

Together with 13461401489, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (13461401411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6730700745 + 6730700746.

It is an arithmetic number, because the mean of its divisors is an integer number (6730700746).

Almost surely, 2^13461401491 is an apocalyptic number.

13461401491 is a deficient number, since it is larger than the sum of its proper divisors (1).

13461401491 is an equidigital number, since it uses as much as digits as its factorization.

13461401491 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10368, while the sum is 34.

The spelling of 13461401491 in words is "thirteen billion, four hundred sixty-one million, four hundred one thousand, four hundred ninety-one".