206494748507 has 2 divisors, whose sum is σ = 206494748508. Its totient is φ = 206494748506.

The previous prime is 206494748497. The next prime is 206494748569. The reversal of 206494748507 is 705847494602.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 206494748507 - 2²⁶ = 206427639643 is a prime.

It is not a weakly prime, because it can be changed into another prime (206494748807) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 103247374253 + 103247374254.

It is an arithmetic number, because the mean of its divisors is an integer number (103247374254).

Almost surely, 2^206494748507 is an apocalyptic number.

206494748507 is a deficient number, since it is larger than the sum of its proper divisors (1).

206494748507 is an equidigital number, since it uses as much as digits as its factorization.

206494748507 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13547520, while the sum is 56.

The spelling of 206494748507 in words is "two hundred six billion, four hundred ninety-four million, seven hundred forty-eight thousand, five hundred seven".