246446986109 has 2 divisors, whose sum is σ = 246446986110. Its totient is φ = 246446986108.

The previous prime is 246446986091. The next prime is 246446986193. The reversal of 246446986109 is 901689644642.

Together with previous prime (246446986091) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 221467183609 + 24979802500 = 470603^2 + 158050^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-246446986109 is a prime.

It is a super-2 number, since 2×246446986109² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (246446986909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 123223493054 + 123223493055.

It is an arithmetic number, because the mean of its divisors is an integer number (123223493055).

Almost surely, 2^246446986109 is an apocalyptic number.

It is an amenable number.

246446986109 is a deficient number, since it is larger than the sum of its proper divisors (1).

246446986109 is an equidigital number, since it uses as much as digits as its factorization.

246446986109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17915904, while the sum is 59.

The spelling of 246446986109 in words is "two hundred forty-six billion, four hundred forty-six million, nine hundred eighty-six thousand, one hundred nine".