61973341839 has 8 divisors (see below), whose sum is σ = 91812358320. Its totient is φ = 41315561208.

The previous prime is 61973341819. The next prime is 61973341847. The reversal of 61973341839 is 93814337916.

It is a happy number.

61973341839 is a `hidden beast` number, since 6 + 197 + 3 + 3 + 418 + 39 = 666.

It is not a de Polignac number, because 61973341839 - 2¹⁶ = 61973276303 is a prime.

It is a super-3 number, since 3×61973341839³ (a number of 33 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61973341819) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1147654452 + ... + 1147654505.

It is an arithmetic number, because the mean of its divisors is an integer number (11476544790).

Almost surely, 2^61973341839 is an apocalyptic number.

61973341839 is a deficient number, since it is larger than the sum of its proper divisors (29839016481).

61973341839 is a wasteful number, since it uses less digits than its factorization.

61973341839 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2295308966 (or 2295308960 counting only the distinct ones).

The product of its digits is 2939328, while the sum is 54.

The spelling of 61973341839 in words is "sixty-one billion, nine hundred seventy-three million, three hundred forty-one thousand, eight hundred thirty-nine".