14380401491 has 4 divisors (see below), whose sum is σ = 14380665432. Its totient is φ = 14380137552.

The previous prime is 14380401487. The next prime is 14380401493. The reversal of 14380401491 is 19410408341.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 19410408341 = 19 ⋅1021600439.

It is a cyclic number.

It is not a de Polignac number, because 14380401491 - 2² = 14380401487 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14380401493) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16661 + ... + 170406.

It is an arithmetic number, because the mean of its divisors is an integer number (3595166358).

Almost surely, 2^14380401491 is an apocalyptic number.

14380401491 is a deficient number, since it is larger than the sum of its proper divisors (263941).

14380401491 is an equidigital number, since it uses as much as digits as its factorization.

14380401491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 263940.

The product of its (nonzero) digits is 13824, while the sum is 35.

The spelling of 14380401491 in words is "fourteen billion, three hundred eighty million, four hundred one thousand, four hundred ninety-one".