1075640650679 has 16 divisors (see below), whose sum is σ = 1263853704960. Its totient is φ = 896268360960.

The previous prime is 1075640650621. The next prime is 1075640650691. The reversal of 1075640650679 is 9760560465701.

It is a de Polignac number, because none of the positive numbers 2^k-1075640650679 is a prime.

It is a super-2 number, since 2×1075640650679² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1075640670679) 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, 8404634 + ... + 8531655.

It is an arithmetic number, because the mean of its divisors is an integer number (78990856560).

Almost surely, 2^{1075640650679} is an apocalyptic number.

1075640650679 is a deficient number, since it is larger than the sum of its proper divisors (188213054281).

1075640650679 is a wasteful number, since it uses less digits than its factorization.

1075640650679 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16936550.

The product of its (nonzero) digits is 9525600, while the sum is 56.

The spelling of 1075640650679 in words is "one trillion, seventy-five billion, six hundred forty million, six hundred fifty thousand, six hundred seventy-nine".