2195628461 has 16 divisors (see below), whose sum is σ = 2524722816. Its totient is φ = 1893519936.

The previous prime is 2195628439. The next prime is 2195628469. The reversal of 2195628461 is 1648265912.

2195628461 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 2195628461 - 2⁶ = 2195628397 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 (2195628469) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 72530 + ... + 98243.

It is an arithmetic number, because the mean of its divisors is an integer number (157795176).

Almost surely, 2^2195628461 is an apocalyptic number.

It is an amenable number.

2195628461 is a deficient number, since it is larger than the sum of its proper divisors (329094355).

2195628461 is a wasteful number, since it uses less digits than its factorization.

2195628461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170852.

The product of its digits is 207360, while the sum is 44.

The square root of 2195628461 is about 46857.5336632222. The cubic root of 2195628461 is about 1299.7294231743.

The spelling of 2195628461 in words is "two billion, one hundred ninety-five million, six hundred twenty-eight thousand, four hundred sixty-one".