1461616049 has 2 divisors, whose sum is σ = 1461616050. Its totient is φ = 1461616048.

The previous prime is 1461616019. The next prime is 1461616067. The reversal of 1461616049 is 9406161641.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 922215424 + 539400625 = 30368^2 + 23225^2 .

It is a cyclic number.

It is not a de Polignac number, because 1461616049 - 2¹² = 1461611953 is a prime.

It is not a weakly prime, because it can be changed into another prime (1461616019) 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, 730808024 + 730808025.

It is an arithmetic number, because the mean of its divisors is an integer number (730808025).

Almost surely, 2^1461616049 is an apocalyptic number.

It is an amenable number.

1461616049 is a deficient number, since it is larger than the sum of its proper divisors (1).

1461616049 is an equidigital number, since it uses as much as digits as its factorization.

1461616049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 31104, while the sum is 38.

The square root of 1461616049 is about 38231.0874681848. The cubic root of 1461616049 is about 1134.8656064229.

The spelling of 1461616049 in words is "one billion, four hundred sixty-one million, six hundred sixteen thousand, forty-nine".