1649112629 has 2 divisors, whose sum is σ = 1649112630. Its totient is φ = 1649112628.

The previous prime is 1649112623. The next prime is 1649112677. The reversal of 1649112629 is 9262119461.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1253301604 + 395811025 = 35402^2 + 19895^2 .

It is a cyclic number.

It is not a de Polignac number, because 1649112629 - 2¹⁶ = 1649047093 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1649112623) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 824556314 + 824556315.

It is an arithmetic number, because the mean of its divisors is an integer number (824556315).

Almost surely, 2^1649112629 is an apocalyptic number.

It is an amenable number.

1649112629 is a deficient number, since it is larger than the sum of its proper divisors (1).

1649112629 is an equidigital number, since it uses as much as digits as its factorization.

1649112629 is an evil number, because the sum of its binary digits is even.

The product of its digits is 46656, while the sum is 41.

The square root of 1649112629 is about 40609.2677722709. The cubic root of 1649112629 is about 1181.4538789625.

The spelling of 1649112629 in words is "one billion, six hundred forty-nine million, one hundred twelve thousand, six hundred twenty-nine".