61299175492873 has 2 divisors, whose sum is σ = 61299175492874. Its totient is φ = 61299175492872.

The previous prime is 61299175492871. The next prime is 61299175492883. The reversal of 61299175492873 is 37829457199216.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 35680109798089 + 25619065694784 = 5973283^2 + 5061528^2 .

It is a cyclic number.

It is not a de Polignac number, because 61299175492873 - 2¹ = 61299175492871 is a prime.

It is a super-2 number, since 2×61299175492873² (a number of 28 digits) contains 22 as substring.

Together with 61299175492871, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 61299175492796 and 61299175492805.

It is not a weakly prime, because it can be changed into another prime (61299175492871) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30649587746436 + 30649587746437.

It is an arithmetic number, because the mean of its divisors is an integer number (30649587746437).

Almost surely, 2^{61299175492873} is an apocalyptic number.

It is an amenable number.

61299175492873 is a deficient number, since it is larger than the sum of its proper divisors (1).

61299175492873 is an equidigital number, since it uses as much as digits as its factorization.

61299175492873 is an evil number, because the sum of its binary digits is even.

The product of its digits is 411505920, while the sum is 73.

The spelling of 61299175492873 in words is "sixty-one trillion, two hundred ninety-nine billion, one hundred seventy-five million, four hundred ninety-two thousand, eight hundred seventy-three".