1064937641 has 2 divisors, whose sum is σ = 1064937642. Its totient is φ = 1064937640.

The previous prime is 1064937571. The next prime is 1064937661. The reversal of 1064937641 is 1467394601.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 944025625 + 120912016 = 30725^2 + 10996^2 .

It is a cyclic number.

It is not a de Polignac number, because 1064937641 - 2¹⁰ = 1064936617 is a prime.

It is a super-2 number, since 2×1064937641² = 2268184358437289762, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1064937661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 532468820 + 532468821.

It is an arithmetic number, because the mean of its divisors is an integer number (532468821).

Almost surely, 2^1064937641 is an apocalyptic number.

It is an amenable number.

1064937641 is a deficient number, since it is larger than the sum of its proper divisors (1).

1064937641 is an equidigital number, since it uses as much as digits as its factorization.

1064937641 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108864, while the sum is 41.

The square root of 1064937641 is about 32633.3823101437. The cubic root of 1064937641 is about 1021.1935410121.

The spelling of 1064937641 in words is "one billion, sixty-four million, nine hundred thirty-seven thousand, six hundred forty-one".