2195078013 has 12 divisors (see below), whose sum is σ = 3179312448. Its totient is φ = 1459395720.

The previous prime is 2195077993. The next prime is 2195078027. The reversal of 2195078013 is 3108705912.

It is not a de Polignac number, because 2195078013 - 2⁵ = 2195077981 is a prime.

It is a nialpdrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2195071013) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 328983 + ... + 335588.

It is an arithmetic number, because the mean of its divisors is an integer number (264942704).

Almost surely, 2^2195078013 is an apocalyptic number.

It is an amenable number.

2195078013 is a deficient number, since it is larger than the sum of its proper divisors (984234435).

2195078013 is a wasteful number, since it uses less digits than its factorization.

2195078013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 664944 (or 664941 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 36.

The square root of 2195078013 is about 46851.6596611049. The cubic root of 2195078013 is about 1299.6207992625.

The spelling of 2195078013 in words is "two billion, one hundred ninety-five million, seventy-eight thousand, thirteen".