814058649 has 12 divisors (see below), whose sum is σ = 1204542612. Its totient is φ = 529468800.

The previous prime is 814058647. The next prime is 814058657. The reversal of 814058649 is 946850418.

It can be written as a sum of positive squares in 2 ways, for example, as 61544025 + 752514624 = 7845^2 + 27432^2 .

It is not a de Polignac number, because 814058649 - 2¹ = 814058647 is a prime.

It is not an unprimeable number, because it can be changed into a prime (814058647) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1102692 + ... + 1103429.

It is an arithmetic number, because the mean of its divisors is an integer number (100378551).

Almost surely, 2^814058649 is an apocalyptic number.

It is an amenable number.

814058649 is a deficient number, since it is larger than the sum of its proper divisors (390483963).

814058649 is a wasteful number, since it uses less digits than its factorization.

814058649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2206168 (or 2206165 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 45.

The square root of 814058649 is about 28531.7130400542. The cubic root of 814058649 is about 933.7240926560.

The spelling of 814058649 in words is "eight hundred fourteen million, fifty-eight thousand, six hundred forty-nine".