1069397445 has 16 divisors (see below), whose sum is σ = 1712999232. Its totient is φ = 569690880.

The previous prime is 1069397431. The next prime is 1069397449. The reversal of 1069397445 is 5447939601.

It is not a de Polignac number, because 1069397445 - 2⁴ = 1069397429 is a prime.

It is a super-2 number, since 2×1069397445² = 2287221790745056050, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1069397394 and 1069397403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1069397449) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27247 + ... + 53676.

It is an arithmetic number, because the mean of its divisors is an integer number (107062452).

Almost surely, 2^1069397445 is an apocalyptic number.

1069397445 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1069397445 is a deficient number, since it is larger than the sum of its proper divisors (643601787).

1069397445 is an equidigital number, since it uses as much as digits as its factorization.

1069397445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81812.

The product of its (nonzero) digits is 816480, while the sum is 48.

The square root of 1069397445 is about 32701.6428486399. The cubic root of 1069397445 is about 1022.6170923388.

The spelling of 1069397445 in words is "one billion, sixty-nine million, three hundred ninety-seven thousand, four hundred forty-five".