61336314629 has 2 divisors, whose sum is σ = 61336314630. Its totient is φ = 61336314628.

The previous prime is 61336314587. The next prime is 61336314631. The reversal of 61336314629 is 92641363316.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 48355130404 + 12981184225 = 219898^2 + 113935^2 .

It is a cyclic number.

It is not a de Polignac number, because 61336314629 - 2²⁰ = 61335266053 is a prime.

Together with 61336314631, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 61336314629.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (61336314659) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30668157314 + 30668157315.

It is an arithmetic number, because the mean of its divisors is an integer number (30668157315).

Almost surely, 2^61336314629 is an apocalyptic number.

It is an amenable number.

61336314629 is a deficient number, since it is larger than the sum of its proper divisors (1).

61336314629 is an equidigital number, since it uses as much as digits as its factorization.

61336314629 is an evil number, because the sum of its binary digits is even.

The product of its digits is 419904, while the sum is 44.

The spelling of 61336314629 in words is "sixty-one billion, three hundred thirty-six million, three hundred fourteen thousand, six hundred twenty-nine".