6410121145 has 4 divisors (see below), whose sum is σ = 7692145380. Its totient is φ = 5128096912.

The previous prime is 6410121101. The next prime is 6410121191. The reversal of 6410121145 is 5411210146.

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 3854919744 + 2555201401 = 62088^2 + 50549^2 .

It is a cyclic number.

It is not a de Polignac number, because 6410121145 - 2¹³ = 6410112953 is a prime.

It is a super-2 number, since 2×6410121145² = 82179306187152222050, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 641012110 + ... + 641012119.

It is an arithmetic number, because the mean of its divisors is an integer number (1923036345).

Almost surely, 2^6410121145 is an apocalyptic number.

It is an amenable number.

6410121145 is a deficient number, since it is larger than the sum of its proper divisors (1282024235).

6410121145 is a wasteful number, since it uses less digits than its factorization.

6410121145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1282024234.

The product of its (nonzero) digits is 960, while the sum is 25.

The square root of 6410121145 is about 80063.2321668317. The cubic root of 6410121145 is about 1857.6137303436.

The spelling of 6410121145 in words is "six billion, four hundred ten million, one hundred twenty-one thousand, one hundred forty-five".