214223503961 has 2 divisors, whose sum is σ = 214223503962. Its totient is φ = 214223503960.

The previous prime is 214223503957. The next prime is 214223503999. The reversal of 214223503961 is 169305322412.

It is a happy number.

It is an a-pointer prime, because the next prime (214223503999) can be obtained adding 214223503961 to its sum of digits (38).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 189403392025 + 24820111936 = 435205^2 + 157544^2 .

It is a cyclic number.

It is not a de Polignac number, because 214223503961 - 2² = 214223503957 is a prime.

It is not a weakly prime, because it can be changed into another prime (214223500961) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 107111751980 + 107111751981.

It is an arithmetic number, because the mean of its divisors is an integer number (107111751981).

Almost surely, 2^214223503961 is an apocalyptic number.

It is an amenable number.

214223503961 is a deficient number, since it is larger than the sum of its proper divisors (1).

214223503961 is an equidigital number, since it uses as much as digits as its factorization.

214223503961 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 77760, while the sum is 38.

The spelling of 214223503961 in words is "two hundred fourteen billion, two hundred twenty-three million, five hundred three thousand, nine hundred sixty-one".