9145504685 has 4 divisors (see below), whose sum is σ = 10974605628. Its totient is φ = 7316403744.

The previous prime is 9145504681. The next prime is 9145504741. The reversal of 9145504685 is 5864055419.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2021131849 + 7124372836 = 44957^2 + 84406^2 .

It is a cyclic number.

It is not a de Polignac number, because 9145504685 - 2² = 9145504681 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 (9145504681) 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, 914550464 + ... + 914550473.

It is an arithmetic number, because the mean of its divisors is an integer number (2743651407).

Almost surely, 2^9145504685 is an apocalyptic number.

It is an amenable number.

9145504685 is a deficient number, since it is larger than the sum of its proper divisors (1829100943).

9145504685 is a wasteful number, since it uses less digits than its factorization.

9145504685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1829100942.

The product of its (nonzero) digits is 864000, while the sum is 47.

The square root of 9145504685 is about 95632.1320739008. The cubic root of 9145504685 is about 2091.2336516130.

The spelling of 9145504685 in words is "nine billion, one hundred forty-five million, five hundred four thousand, six hundred eighty-five".