2145497411 has 4 divisors (see below), whose sum is σ = 2146610424. Its totient is φ = 2144384400.

The previous prime is 2145497381. The next prime is 2145497441. The reversal of 2145497411 is 1147945412.

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

It is an interprime number because it is at equal distance from previous prime (2145497381) and next prime (2145497441).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2145497411 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2145497441) 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, 553610 + ... + 557471.

It is an arithmetic number, because the mean of its divisors is an integer number (536652606).

Almost surely, 2^2145497411 is an apocalyptic number.

2145497411 is a deficient number, since it is larger than the sum of its proper divisors (1113013).

2145497411 is a wasteful number, since it uses less digits than its factorization.

2145497411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1113012.

The product of its digits is 40320, while the sum is 38.

The square root of 2145497411 is about 46319.5143648981. The cubic root of 2145497411 is about 1289.7612704476.

The spelling of 2145497411 in words is "two billion, one hundred forty-five million, four hundred ninety-seven thousand, four hundred eleven".