3651540457 has 2 divisors, whose sum is σ = 3651540458. Its totient is φ = 3651540456.

The previous prime is 3651540433. The next prime is 3651540463. The reversal of 3651540457 is 7540451563.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1986574041 + 1664966416 = 44571^2 + 40804^2 .

It is a cyclic number.

It is not a de Polignac number, because 3651540457 - 2²³ = 3643151849 is a prime.

It is not a weakly prime, because it can be changed into another prime (3651540407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1825770228 + 1825770229.

It is an arithmetic number, because the mean of its divisors is an integer number (1825770229).

Almost surely, 2^3651540457 is an apocalyptic number.

It is an amenable number.

3651540457 is a deficient number, since it is larger than the sum of its proper divisors (1).

3651540457 is an equidigital number, since it uses as much as digits as its factorization.

3651540457 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 252000, while the sum is 40.

The square root of 3651540457 is about 60427.9774359526. The cubic root of 3651540457 is about 1539.8982978039.

The spelling of 3651540457 in words is "three billion, six hundred fifty-one million, five hundred forty thousand, four hundred fifty-seven".