61996436301277 has 2 divisors, whose sum is σ = 61996436301278. Its totient is φ = 61996436301276.

The previous prime is 61996436301259. The next prime is 61996436301379. The reversal of 61996436301277 is 77210363469916.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 32050215786681 + 29946220514596 = 5661291^2 + 5472314^2 .

It is a cyclic number.

It is not a de Polignac number, because 61996436301277 - 2²⁷ = 61996302083549 is a prime.

It is a super-2 number, since 2×61996436301277² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (61996436301257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30998218150638 + 30998218150639.

It is an arithmetic number, because the mean of its divisors is an integer number (30998218150639).

Almost surely, 2^{61996436301277} is an apocalyptic number.

It is an amenable number.

61996436301277 is a deficient number, since it is larger than the sum of its proper divisors (1).

61996436301277 is an equidigital number, since it uses as much as digits as its factorization.

61996436301277 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 61725888, while the sum is 64.

The spelling of 61996436301277 in words is "sixty-one trillion, nine hundred ninety-six billion, four hundred thirty-six million, three hundred one thousand, two hundred seventy-seven".