616023486769 has 2 divisors, whose sum is σ = 616023486770. Its totient is φ = 616023486768.

The previous prime is 616023486707. The next prime is 616023486791. The reversal of 616023486769 is 967684320616.

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., 362548494400 + 253474992369 = 602120^2 + 503463^2 .

It is a cyclic number.

It is not a de Polignac number, because 616023486769 - 2⁹ = 616023486257 is a prime.

It is a super-2 number, since 2×616023486769² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (616023480769) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 308011743384 + 308011743385.

It is an arithmetic number, because the mean of its divisors is an integer number (308011743385).

Almost surely, 2^616023486769 is an apocalyptic number.

It is an amenable number.

616023486769 is a deficient number, since it is larger than the sum of its proper divisors (1).

616023486769 is an equidigital number, since it uses as much as digits as its factorization.

616023486769 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15676416, while the sum is 58.

The spelling of 616023486769 in words is "six hundred sixteen billion, twenty-three million, four hundred eighty-six thousand, seven hundred sixty-nine".