1064931869 has 2 divisors, whose sum is σ = 1064931870. Its totient is φ = 1064931868.

The previous prime is 1064931821. The next prime is 1064931913. The reversal of 1064931869 is 9681394601.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 988159225 + 76772644 = 31435^2 + 8762^2 .

It is a cyclic number.

It is not a de Polignac number, because 1064931869 - 2¹⁶ = 1064866333 is a prime.

It is a super-2 number, since 2×1064931869² = 2268159771223666322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1064930869) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 532465934 + 532465935.

It is an arithmetic number, because the mean of its divisors is an integer number (532465935).

Almost surely, 2^1064931869 is an apocalyptic number.

It is an amenable number.

1064931869 is a deficient number, since it is larger than the sum of its proper divisors (1).

1064931869 is an equidigital number, since it uses as much as digits as its factorization.

1064931869 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 279936, while the sum is 47.

The square root of 1064931869 is about 32633.2938729758. The cubic root of 1064931869 is about 1021.1916960403.

The spelling of 1064931869 in words is "one billion, sixty-four million, nine hundred thirty-one thousand, eight hundred sixty-nine".