14786492381 has 2 divisors, whose sum is σ = 14786492382. Its totient is φ = 14786492380.

The previous prime is 14786492353. The next prime is 14786492423. The reversal of 14786492381 is 18329468741.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12252276100 + 2534216281 = 110690^2 + 50341^2 .

It is a cyclic number.

It is not a de Polignac number, because 14786492381 - 2⁶ = 14786492317 is a prime.

It is a super-2 number, since 2×14786492381² (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 (14786492311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7393246190 + 7393246191.

It is an arithmetic number, because the mean of its divisors is an integer number (7393246191).

Almost surely, 2^14786492381 is an apocalyptic number.

It is an amenable number.

14786492381 is a deficient number, since it is larger than the sum of its proper divisors (1).

14786492381 is an equidigital number, since it uses as much as digits as its factorization.

14786492381 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2322432, while the sum is 53.

The spelling of 14786492381 in words is "fourteen billion, seven hundred eighty-six million, four hundred ninety-two thousand, three hundred eighty-one".