1073979169 has 4 divisors (see below), whose sum is σ = 1074282496. Its totient is φ = 1073675844.

The previous prime is 1073979119. The next prime is 1073979217. The reversal of 1073979169 is 9619793701.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1073979169 - 2⁷ = 1073979041 is a prime.

It is a super-2 number, since 2×1073979169² = 2306862510891861122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1073979119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 146289 + ... + 153454.

It is an arithmetic number, because the mean of its divisors is an integer number (268570624).

Almost surely, 2^1073979169 is an apocalyptic number.

It is an amenable number.

1073979169 is a deficient number, since it is larger than the sum of its proper divisors (303327).

1073979169 is an equidigital number, since it uses as much as digits as its factorization.

1073979169 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 303326.

The product of its (nonzero) digits is 642978, while the sum is 52.

The square root of 1073979169 is about 32771.6213971784. The cubic root of 1073979169 is about 1024.0754443850.

The spelling of 1073979169 in words is "one billion, seventy-three million, nine hundred seventy-nine thousand, one hundred sixty-nine".