5540064697 has 2 divisors, whose sum is σ = 5540064698. Its totient is φ = 5540064696.

The previous prime is 5540064643. The next prime is 5540064709. The reversal of 5540064697 is 7964600455.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5519895616 + 20169081 = 74296^2 + 4491^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5540064697 is a prime.

It is not a weakly prime, because it can be changed into another prime (5540064637) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2770032348 + 2770032349.

It is an arithmetic number, because the mean of its divisors is an integer number (2770032349).

Almost surely, 2^5540064697 is an apocalyptic number.

It is an amenable number.

5540064697 is a deficient number, since it is larger than the sum of its proper divisors (1).

5540064697 is an equidigital number, since it uses as much as digits as its factorization.

5540064697 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 907200, while the sum is 46.

The square root of 5540064697 is about 74431.6108719944. The cubic root of 5540064697 is about 1769.4499335550.

The spelling of 5540064697 in words is "five billion, five hundred forty million, sixty-four thousand, six hundred ninety-seven".