61496092081321 has 2 divisors, whose sum is σ = 61496092081322. Its totient is φ = 61496092081320.

The previous prime is 61496092081313. The next prime is 61496092081337. The reversal of 61496092081321 is 12318029069416.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 61309463761296 + 186628320025 = 7830036^2 + 432005^2 .

It is a cyclic number.

It is not a de Polignac number, because 61496092081321 - 2³ = 61496092081313 is a prime.

It is a super-2 number, since 2×61496092081321² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (61496092087321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30748046040660 + 30748046040661.

It is an arithmetic number, because the mean of its divisors is an integer number (30748046040661).

Almost surely, 2^{61496092081321} is an apocalyptic number.

It is an amenable number.

61496092081321 is a deficient number, since it is larger than the sum of its proper divisors (1).

61496092081321 is an equidigital number, since it uses as much as digits as its factorization.

61496092081321 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1119744, while the sum is 52.

The spelling of 61496092081321 in words is "sixty-one trillion, four hundred ninety-six billion, ninety-two million, eighty-one thousand, three hundred twenty-one".