1064722697 has 2 divisors, whose sum is σ = 1064722698. Its totient is φ = 1064722696.

The previous prime is 1064722691. The next prime is 1064722723. The reversal of 1064722697 is 7962274601.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 952277881 + 112444816 = 30859^2 + 10604^2 .

It is a cyclic number.

It is not a de Polignac number, because 1064722697 - 2¹⁰ = 1064721673 is a prime.

It is a super-2 number, since 2×1064722697² = 2267268843013907618, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1064722691) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 532361348 + 532361349.

It is an arithmetic number, because the mean of its divisors is an integer number (532361349).

Almost surely, 2^1064722697 is an apocalyptic number.

It is an amenable number.

1064722697 is a deficient number, since it is larger than the sum of its proper divisors (1).

1064722697 is an equidigital number, since it uses as much as digits as its factorization.

1064722697 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 254016, while the sum is 44.

The square root of 1064722697 is about 32630.0888291773. The cubic root of 1064722697 is about 1021.1248314509.

The spelling of 1064722697 in words is "one billion, sixty-four million, seven hundred twenty-two thousand, six hundred ninety-seven".