1016424672649 has 2 divisors, whose sum is σ = 1016424672650. Its totient is φ = 1016424672648.

The previous prime is 1016424672607. The next prime is 1016424672661. The reversal of 1016424672649 is 9462764246101.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 956708953225 + 59715719424 = 978115^2 + 244368^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1016424672649 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1016424672596 and 1016424672605.

It is not a weakly prime, because it can be changed into another prime (1016424672349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 508212336324 + 508212336325.

It is an arithmetic number, because the mean of its divisors is an integer number (508212336325).

Almost surely, 2^{1016424672649} is an apocalyptic number.

It is an amenable number.

1016424672649 is a deficient number, since it is larger than the sum of its proper divisors (1).

1016424672649 is an equidigital number, since it uses as much as digits as its factorization.

1016424672649 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3483648, while the sum is 52.

The spelling of 1016424672649 in words is "one trillion, sixteen billion, four hundred twenty-four million, six hundred seventy-two thousand, six hundred forty-nine".