61472680099 has 2 divisors, whose sum is σ = 61472680100. Its totient is φ = 61472680098.

The previous prime is 61472680057. The next prime is 61472680169. The reversal of 61472680099 is 99008627416.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 61472680099 - 2¹⁷ = 61472549027 is a prime.

It is not a weakly prime, because it can be changed into another prime (61472681099) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30736340049 + 30736340050.

It is an arithmetic number, because the mean of its divisors is an integer number (30736340050).

Almost surely, 2^61472680099 is an apocalyptic number.

61472680099 is a deficient number, since it is larger than the sum of its proper divisors (1).

61472680099 is an equidigital number, since it uses as much as digits as its factorization.

61472680099 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1306368, while the sum is 52.

The spelling of 61472680099 in words is "sixty-one billion, four hundred seventy-two million, six hundred eighty thousand, ninety-nine".