1045597679 has 4 divisors (see below), whose sum is σ = 1194968784. Its totient is φ = 896226576.

The previous prime is 1045597661. The next prime is 1045597691. The reversal of 1045597679 is 9767955401.

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

It is a de Polignac number, because none of the positive numbers 2^k-1045597679 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1045597679.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1045597079) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 74685542 + ... + 74685555.

It is an arithmetic number, because the mean of its divisors is an integer number (298742196).

Almost surely, 2^1045597679 is an apocalyptic number.

1045597679 is a deficient number, since it is larger than the sum of its proper divisors (149371105).

1045597679 is an equidigital number, since it uses as much as digits as its factorization.

1045597679 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149371104.

The product of its (nonzero) digits is 2381400, while the sum is 53.

The square root of 1045597679 is about 32335.7028530385. The cubic root of 1045597679 is about 1014.9738898215.

The spelling of 1045597679 in words is "one billion, forty-five million, five hundred ninety-seven thousand, six hundred seventy-nine".