7045356509791 has 4 divisors (see below), whose sum is σ = 7150511084632. Its totient is φ = 6940201934952.

The previous prime is 7045356509713. The next prime is 7045356509801. The reversal of 7045356509791 is 1979056535407.

It is a happy number.

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 7045356509791 - 2³¹ = 7043209026143 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7045356509291) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52577287320 + ... + 52577287453.

It is an arithmetic number, because the mean of its divisors is an integer number (1787627771158).

Almost surely, 2^{7045356509791} is an apocalyptic number.

7045356509791 is a deficient number, since it is larger than the sum of its proper divisors (105154574841).

7045356509791 is a wasteful number, since it uses less digits than its factorization.

7045356509791 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105154574840.

The product of its (nonzero) digits is 35721000, while the sum is 61.

The spelling of 7045356509791 in words is "seven trillion, forty-five billion, three hundred fifty-six million, five hundred nine thousand, seven hundred ninety-one".