61376523433 has 2 divisors, whose sum is σ = 61376523434. Its totient is φ = 61376523432.

The previous prime is 61376523401. The next prime is 61376523463. The reversal of 61376523433 is 33432567316.

It is a happy number.

61376523433 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 41439930624 + 19936592809 = 203568^2 + 141197^2 .

It is a cyclic number.

It is not a de Polignac number, because 61376523433 - 2⁵ = 61376523401 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 61376523433.

It is not a weakly prime, because it can be changed into another prime (61376523463) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30688261716 + 30688261717.

It is an arithmetic number, because the mean of its divisors is an integer number (30688261717).

Almost surely, 2^61376523433 is an apocalyptic number.

It is an amenable number.

61376523433 is a deficient number, since it is larger than the sum of its proper divisors (1).

61376523433 is an equidigital number, since it uses as much as digits as its factorization.

61376523433 is an evil number, because the sum of its binary digits is even.

The product of its digits is 816480, while the sum is 43.

The spelling of 61376523433 in words is "sixty-one billion, three hundred seventy-six million, five hundred twenty-three thousand, four hundred thirty-three".