1649062799 has 2 divisors, whose sum is σ = 1649062800. Its totient is φ = 1649062798.

The previous prime is 1649062777. The next prime is 1649062817. The reversal of 1649062799 is 9972609461.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1649062799 - 2¹² = 1649058703 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1649062799.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1649062729) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 824531399 + 824531400.

It is an arithmetic number, because the mean of its divisors is an integer number (824531400).

Almost surely, 2^1649062799 is an apocalyptic number.

1649062799 is a deficient number, since it is larger than the sum of its proper divisors (1).

1649062799 is an equidigital number, since it uses as much as digits as its factorization.

1649062799 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1469664, while the sum is 53.

The square root of 1649062799 is about 40608.6542377361. The cubic root of 1649062799 is about 1181.4419791406.

The spelling of 1649062799 in words is "one billion, six hundred forty-nine million, sixty-two thousand, seven hundred ninety-nine".