268651373 has 2 divisors, whose sum is σ = 268651374. Its totient is φ = 268651372.

The previous prime is 268651309. The next prime is 268651387. The reversal of 268651373 is 373156862.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 252110884 + 16540489 = 15878^2 + 4067^2 .

It is a cyclic number.

It is not a de Polignac number, because 268651373 - 2⁶ = 268651309 is a prime.

It is a super-4 number, since 4×268651373⁴ (a number of 35 digits) contains 4444 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 268651373.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (268681373) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 134325686 + 134325687.

It is an arithmetic number, because the mean of its divisors is an integer number (134325687).

Almost surely, 2^268651373 is an apocalyptic number.

It is an amenable number.

268651373 is a deficient number, since it is larger than the sum of its proper divisors (1).

268651373 is an equidigital number, since it uses as much as digits as its factorization.

268651373 is an evil number, because the sum of its binary digits is even.

The product of its digits is 181440, while the sum is 41.

The square root of 268651373 is about 16390.5879394243. The cubic root of 268651373 is about 645.2524885338.

The spelling of 268651373 in words is "two hundred sixty-eight million, six hundred fifty-one thousand, three hundred seventy-three".