1069297631 has 4 divisors (see below), whose sum is σ = 1089473112. Its totient is φ = 1049122152.

The previous prime is 1069297597. The next prime is 1069297633. The reversal of 1069297631 is 1367929601.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1069297631 - 2¹⁰ = 1069296607 is a prime.

It is a super-2 number, since 2×1069297631² = 2286794847324424322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1069297633) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10087661 + ... + 10087766.

It is an arithmetic number, because the mean of its divisors is an integer number (272368278).

Almost surely, 2^1069297631 is an apocalyptic number.

1069297631 is a deficient number, since it is larger than the sum of its proper divisors (20175481).

1069297631 is an equidigital number, since it uses as much as digits as its factorization.

1069297631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20175480.

The product of its (nonzero) digits is 122472, while the sum is 44.

The square root of 1069297631 is about 32700.1166817490. The cubic root of 1069297631 is about 1022.5852754564.

The spelling of 1069297631 in words is "one billion, sixty-nine million, two hundred ninety-seven thousand, six hundred thirty-one".