214512500491 has 2 divisors, whose sum is σ = 214512500492. Its totient is φ = 214512500490.

The previous prime is 214512500479. The next prime is 214512500539. The reversal of 214512500491 is 194005215412.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 214512500491 - 2⁵ = 214512500459 is a prime.

It is a super-2 number, since 2×214512500491² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (214512500471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 107256250245 + 107256250246.

It is an arithmetic number, because the mean of its divisors is an integer number (107256250246).

Almost surely, 2^214512500491 is an apocalyptic number.

214512500491 is a deficient number, since it is larger than the sum of its proper divisors (1).

214512500491 is an equidigital number, since it uses as much as digits as its factorization.

214512500491 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14400, while the sum is 34.

The spelling of 214512500491 in words is "two hundred fourteen billion, five hundred twelve million, five hundred thousand, four hundred ninety-one".