214538415851 has 2 divisors, whose sum is σ = 214538415852. Its totient is φ = 214538415850.

The previous prime is 214538415797. The next prime is 214538415863. The reversal of 214538415851 is 158514835412.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-214538415851 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 214538415796 and 214538415805.

It is not a weakly prime, because it can be changed into another prime (214538415881) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 107269207925 + 107269207926.

It is an arithmetic number, because the mean of its divisors is an integer number (107269207926).

Almost surely, 2^214538415851 is an apocalyptic number.

214538415851 is a deficient number, since it is larger than the sum of its proper divisors (1).

214538415851 is an equidigital number, since it uses as much as digits as its factorization.

214538415851 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 768000, while the sum is 47.

The spelling of 214538415851 in words is "two hundred fourteen billion, five hundred thirty-eight million, four hundred fifteen thousand, eight hundred fifty-one".