3387040649 has 2 divisors, whose sum is σ = 3387040650. Its totient is φ = 3387040648.

The previous prime is 3387040619. The next prime is 3387040667. The reversal of 3387040649 is 9460407833.

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., 1801408249 + 1585632400 = 42443^2 + 39820^2 .

It is a cyclic number.

It is not a de Polignac number, because 3387040649 - 2¹⁶ = 3386975113 is a prime.

It is a super-2 number, since 2×3387040649² = 22944088715956682402, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (3387040609) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1693520324 + 1693520325.

It is an arithmetic number, because the mean of its divisors is an integer number (1693520325).

Almost surely, 2^3387040649 is an apocalyptic number.

It is an amenable number.

3387040649 is a deficient number, since it is larger than the sum of its proper divisors (1).

3387040649 is an equidigital number, since it uses as much as digits as its factorization.

3387040649 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 435456, while the sum is 44.

The square root of 3387040649 is about 58198.2873373435. The cubic root of 3387040649 is about 1501.7816827517.

The spelling of 3387040649 in words is "three billion, three hundred eighty-seven million, forty thousand, six hundred forty-nine".