75459921069 has 16 divisors (see below), whose sum is σ = 108365630912. Its totient is φ = 46431335808.

The previous prime is 75459921037. The next prime is 75459921083. The reversal of 75459921069 is 96012995457.

It is not a de Polignac number, because 75459921069 - 2⁵ = 75459921037 is a prime.

It is a super-2 number, since 2×75459921069² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75459920069) 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, 228774 + ... + 450840.

It is an arithmetic number, because the mean of its divisors is an integer number (6772851932).

Almost surely, 2^75459921069 is an apocalyptic number.

It is an amenable number.

75459921069 is a deficient number, since it is larger than the sum of its proper divisors (32905709843).

75459921069 is a wasteful number, since it uses less digits than its factorization.

75459921069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230796.

The product of its (nonzero) digits is 6123600, while the sum is 57.

The spelling of 75459921069 in words is "seventy-five billion, four hundred fifty-nine million, nine hundred twenty-one thousand, sixty-nine".