2195340769797 has 192 divisors, whose sum is σ = 3779787939840. Its totient is φ = 1124889292800.

The previous prime is 2195340769793. The next prime is 2195340769813. The reversal of 2195340769797 is 7979670435912.

It is not a de Polignac number, because 2195340769797 - 2² = 2195340769793 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2195340769793) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 1390335354 + ... + 1390336932.

It is an arithmetic number, because the mean of its divisors is an integer number (19686395520).

Almost surely, 2^{2195340769797} is an apocalyptic number.

It is an amenable number.

2195340769797 is a deficient number, since it is larger than the sum of its proper divisors (1584447170043).

2195340769797 is a wasteful number, since it uses less digits than its factorization.

2195340769797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1912 (or 1905 counting only the distinct ones).

The product of its (nonzero) digits is 180033840, while the sum is 69.

The spelling of 2195340769797 in words is "two trillion, one hundred ninety-five billion, three hundred forty million, seven hundred sixty-nine thousand, seven hundred ninety-seven".