4145555900069 has 4 divisors (see below), whose sum is σ = 4145787216096. Its totient is φ = 4145324584044.

The previous prime is 4145555900047. The next prime is 4145555900107. The reversal of 4145555900069 is 9600095555414.

It is a happy number.

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 a cyclic number.

It is not a de Polignac number, because 4145555900069 - 2⁸ = 4145555899813 is a prime.

It is a super-2 number, since 2×4145555900069² (a number of 26 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 (4145555900039) 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, 115631129 + ... + 115666974.

It is an arithmetic number, because the mean of its divisors is an integer number (1036446804024).

Almost surely, 2^{4145555900069} is an apocalyptic number.

It is an amenable number.

4145555900069 is a deficient number, since it is larger than the sum of its proper divisors (231316027).

4145555900069 is a wasteful number, since it uses less digits than its factorization.

4145555900069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 231316026.

The product of its (nonzero) digits is 4860000, while the sum is 53.

The spelling of 4145555900069 in words is "four trillion, one hundred forty-five billion, five hundred fifty-five million, nine hundred thousand, sixty-nine".