214225651973 has 2 divisors, whose sum is σ = 214225651974. Its totient is φ = 214225651972.

The previous prime is 214225651961. The next prime is 214225652057. The reversal of 214225651973 is 379156522412.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 212445402724 + 1780249249 = 460918^2 + 42193^2 .

It is a cyclic number.

It is not a de Polignac number, because 214225651973 - 2⁴ = 214225651957 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (214225656973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 107112825986 + 107112825987.

It is an arithmetic number, because the mean of its divisors is an integer number (107112825987).

Almost surely, 2^214225651973 is an apocalyptic number.

It is an amenable number.

214225651973 is a deficient number, since it is larger than the sum of its proper divisors (1).

214225651973 is an equidigital number, since it uses as much as digits as its factorization.

214225651973 is an evil number, because the sum of its binary digits is even.

The product of its digits is 907200, while the sum is 47.

The spelling of 214225651973 in words is "two hundred fourteen billion, two hundred twenty-five million, six hundred fifty-one thousand, nine hundred seventy-three".