105452387769 has 4 divisors (see below), whose sum is σ = 140603183696. Its totient is φ = 70301591844.

The previous prime is 105452387767. The next prime is 105452387779. The reversal of 105452387769 is 967783254501.

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 not a de Polignac number, because 105452387769 - 2¹ = 105452387767 is a prime.

It is a super-2 number, since 2×105452387769² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (105452387767) 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, 17575397959 + ... + 17575397964.

It is an arithmetic number, because the mean of its divisors is an integer number (35150795924).

It is a 1-persistent number, because it is pandigital, but 2⋅105452387769 = 210904775538 is not.

Almost surely, 2^105452387769 is an apocalyptic number.

It is an amenable number.

105452387769 is a deficient number, since it is larger than the sum of its proper divisors (35150795927).

105452387769 is an equidigital number, since it uses as much as digits as its factorization.

105452387769 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35150795926.

The product of its (nonzero) digits is 12700800, while the sum is 57.

The spelling of 105452387769 in words is "one hundred five billion, four hundred fifty-two million, three hundred eighty-seven thousand, seven hundred sixty-nine".