523274683073881 has 2 divisors, whose sum is σ = 523274683073882. Its totient is φ = 523274683073880.

The previous prime is 523274683073833. The next prime is 523274683073899. The reversal of 523274683073881 is 188370386472325.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 486347379291225 + 36927303782656 = 22053285^2 + 6076784^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-523274683073881 is a prime.

It is a super-2 number, since 2×523274683073881² (a number of 30 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (523274683079881) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 261637341536940 + 261637341536941.

It is an arithmetic number, because the mean of its divisors is an integer number (261637341536941).

Almost surely, 2^{523274683073881} is an apocalyptic number.

It is an amenable number.

523274683073881 is a deficient number, since it is larger than the sum of its proper divisors (1).

523274683073881 is an equidigital number, since it uses as much as digits as its factorization.

523274683073881 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 325140480, while the sum is 67.

The spelling of 523274683073881 in words is "five hundred twenty-three trillion, two hundred seventy-four billion, six hundred eighty-three million, seventy-three thousand, eight hundred eighty-one".