616703451401 has 2 divisors, whose sum is σ = 616703451402. Its totient is φ = 616703451400.

The previous prime is 616703451349. The next prime is 616703451431. The reversal of 616703451401 is 104154307616.

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., 533701841401 + 83001610000 = 730549^2 + 288100^2 .

It is a cyclic number.

It is not a de Polignac number, because 616703451401 - 2³⁰ = 615629709577 is a prime.

It is not a weakly prime, because it can be changed into another prime (616703451431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 308351725700 + 308351725701.

It is an arithmetic number, because the mean of its divisors is an integer number (308351725701).

Almost surely, 2^616703451401 is an apocalyptic number.

It is an amenable number.

616703451401 is a deficient number, since it is larger than the sum of its proper divisors (1).

616703451401 is an equidigital number, since it uses as much as digits as its factorization.

616703451401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 60480, while the sum is 38.

The spelling of 616703451401 in words is "six hundred sixteen billion, seven hundred three million, four hundred fifty-one thousand, four hundred one".