2195401801 has 2 divisors, whose sum is σ = 2195401802. Its totient is φ = 2195401800.

The previous prime is 2195401757. The next prime is 2195401823. The reversal of 2195401801 is 1081045912.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1488107776 + 707294025 = 38576^2 + 26595^2 .

It is a cyclic number.

It is not a de Polignac number, because 2195401801 - 2⁷ = 2195401673 is a prime.

It is not a weakly prime, because it can be changed into another prime (2195401841) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1097700900 + 1097700901.

It is an arithmetic number, because the mean of its divisors is an integer number (1097700901).

Almost surely, 2^2195401801 is an apocalyptic number.

It is an amenable number.

2195401801 is a deficient number, since it is larger than the sum of its proper divisors (1).

2195401801 is an equidigital number, since it uses as much as digits as its factorization.

2195401801 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2880, while the sum is 31.

The square root of 2195401801 is about 46855.1149929226. The cubic root of 2195401801 is about 1299.6846969051.

The spelling of 2195401801 in words is "two billion, one hundred ninety-five million, four hundred one thousand, eight hundred one".