4916451564397 has 2 divisors, whose sum is σ = 4916451564398. Its totient is φ = 4916451564396.

The previous prime is 4916451564337. The next prime is 4916451564421. The reversal of 4916451564397 is 7934651546194.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4596654528361 + 319797036036 = 2143981^2 + 565506^2 .

It is a cyclic number.

It is not a de Polignac number, because 4916451564397 - 2¹¹ = 4916451562349 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4916451564337) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2458225782198 + 2458225782199.

It is an arithmetic number, because the mean of its divisors is an integer number (2458225782199).

Almost surely, 2^{4916451564397} is an apocalyptic number.

It is an amenable number.

4916451564397 is a deficient number, since it is larger than the sum of its proper divisors (1).

4916451564397 is an equidigital number, since it uses as much as digits as its factorization.

4916451564397 is an evil number, because the sum of its binary digits is even.

The product of its digits is 97977600, while the sum is 64.

The spelling of 4916451564397 in words is "four trillion, nine hundred sixteen billion, four hundred fifty-one million, five hundred sixty-four thousand, three hundred ninety-seven".