214154510989 has 2 divisors, whose sum is σ = 214154510990. Its totient is φ = 214154510988.

The previous prime is 214154510971. The next prime is 214154511071. The reversal of 214154510989 is 989015451412.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 155498514889 + 58655996100 = 394333^2 + 242190^2 .

It is a cyclic number.

It is not a de Polignac number, because 214154510989 - 2¹⁷ = 214154379917 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (214154510389) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 107077255494 + 107077255495.

It is an arithmetic number, because the mean of its divisors is an integer number (107077255495).

Almost surely, 2^214154510989 is an apocalyptic number.

It is an amenable number.

214154510989 is a deficient number, since it is larger than the sum of its proper divisors (1).

214154510989 is an equidigital number, since it uses as much as digits as its factorization.

214154510989 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 518400, while the sum is 49.

The spelling of 214154510989 in words is "two hundred fourteen billion, one hundred fifty-four million, five hundred ten thousand, nine hundred eighty-nine".