61694284952297 has 2 divisors, whose sum is σ = 61694284952298. Its totient is φ = 61694284952296.

The previous prime is 61694284952219. The next prime is 61694284952329. The reversal of 61694284952297 is 79225948249616.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 41068372388521 + 20625912563776 = 6408461^2 + 4541576^2 .

It is a cyclic number.

It is not a de Polignac number, because 61694284952297 - 2⁴⁰ = 60594773324521 is a prime.

It is not a weakly prime, because it can be changed into another prime (61694284352297) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30847142476148 + 30847142476149.

It is an arithmetic number, because the mean of its divisors is an integer number (30847142476149).

Almost surely, 2^{61694284952297} is an apocalyptic number.

It is an amenable number.

61694284952297 is a deficient number, since it is larger than the sum of its proper divisors (1).

61694284952297 is an equidigital number, since it uses as much as digits as its factorization.

61694284952297 is an evil number, because the sum of its binary digits is even.

The product of its digits is 940584960, while the sum is 74.

The spelling of 61694284952297 in words is "sixty-one trillion, six hundred ninety-four billion, two hundred eighty-four million, nine hundred fifty-two thousand, two hundred ninety-seven".