69430641481 has 2 divisors, whose sum is σ = 69430641482. Its totient is φ = 69430641480.

The previous prime is 69430641437. The next prime is 69430641487. The reversal of 69430641481 is 18414603496.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 48867081481 + 20563560000 = 221059^2 + 143400^2 .

It is a cyclic number.

It is not a de Polignac number, because 69430641481 - 2¹⁹ = 69430117193 is a prime.

It is a super-3 number, since 3×69430641481³ (a number of 34 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not a weakly prime, because it can be changed into another prime (69430641487) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34715320740 + 34715320741.

It is an arithmetic number, because the mean of its divisors is an integer number (34715320741).

Almost surely, 2^69430641481 is an apocalyptic number.

It is an amenable number.

69430641481 is a deficient number, since it is larger than the sum of its proper divisors (1).

69430641481 is an equidigital number, since it uses as much as digits as its factorization.

69430641481 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 497664, while the sum is 46.

The spelling of 69430641481 in words is "sixty-nine billion, four hundred thirty million, six hundred forty-one thousand, four hundred eighty-one".