61874302069 has 2 divisors, whose sum is σ = 61874302070. Its totient is φ = 61874302068.

The previous prime is 61874302057. The next prime is 61874302097. The reversal of 61874302069 is 96020347816.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 52882521444 + 8991780625 = 229962^2 + 94825^2 .

It is a cyclic number.

It is not a de Polignac number, because 61874302069 - 2⁹ = 61874301557 is a prime.

It is a super-2 number, since 2×61874302069² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (61874302019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30937151034 + 30937151035.

It is an arithmetic number, because the mean of its divisors is an integer number (30937151035).

Almost surely, 2^61874302069 is an apocalyptic number.

It is an amenable number.

61874302069 is a deficient number, since it is larger than the sum of its proper divisors (1).

61874302069 is an equidigital number, since it uses as much as digits as its factorization.

61874302069 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 435456, while the sum is 46.

The spelling of 61874302069 in words is "sixty-one billion, eight hundred seventy-four million, three hundred two thousand, sixty-nine".