214766990531 has 2 divisors, whose sum is σ = 214766990532. Its totient is φ = 214766990530.

The previous prime is 214766990491. The next prime is 214766990551. The reversal of 214766990531 is 135099667412.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 214766990531 - 2¹⁸ = 214766728387 is a prime.

It is a super-2 number, since 2×214766990531² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (214766990551) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 107383495265 + 107383495266.

It is an arithmetic number, because the mean of its divisors is an integer number (107383495266).

Almost surely, 2^214766990531 is an apocalyptic number.

214766990531 is a deficient number, since it is larger than the sum of its proper divisors (1).

214766990531 is an equidigital number, since it uses as much as digits as its factorization.

214766990531 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2449440, while the sum is 53.

The spelling of 214766990531 in words is "two hundred fourteen billion, seven hundred sixty-six million, nine hundred ninety thousand, five hundred thirty-one".