4534693649 has 2 divisors, whose sum is σ = 4534693650. Its totient is φ = 4534693648.

The previous prime is 4534693633. The next prime is 4534693687. The reversal of 4534693649 is 9463964354.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4233844624 + 300849025 = 65068^2 + 17345^2 .

It is a cyclic number.

It is not a de Polignac number, because 4534693649 - 2⁴ = 4534693633 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4534693649.

It is not a weakly prime, because it can be changed into another prime (4534993649) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2267346824 + 2267346825.

It is an arithmetic number, because the mean of its divisors is an integer number (2267346825).

Almost surely, 2^4534693649 is an apocalyptic number.

It is an amenable number.

4534693649 is a deficient number, since it is larger than the sum of its proper divisors (1).

4534693649 is an equidigital number, since it uses as much as digits as its factorization.

4534693649 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8398080, while the sum is 53.

The square root of 4534693649 is about 67340.1340138257. The cubic root of 4534693649 is about 1655.1955786063.

The spelling of 4534693649 in words is "four billion, five hundred thirty-four million, six hundred ninety-three thousand, six hundred forty-nine".