1895972282101 has 2 divisors, whose sum is σ = 1895972282102. Its totient is φ = 1895972282100.

The previous prime is 1895972282077. The next prime is 1895972282129. The reversal of 1895972282101 is 1012822795981.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1164998581201 + 730973700900 = 1079351^2 + 854970^2 .

It is a cyclic number.

It is not a de Polignac number, because 1895972282101 - 2¹¹ = 1895972280053 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1895972286101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 947986141050 + 947986141051.

It is an arithmetic number, because the mean of its divisors is an integer number (947986141051).

Almost surely, 2^{1895972282101} is an apocalyptic number.

It is an amenable number.

1895972282101 is a deficient number, since it is larger than the sum of its proper divisors (1).

1895972282101 is an equidigital number, since it uses as much as digits as its factorization.

1895972282101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1451520, while the sum is 55.

The spelling of 1895972282101 in words is "one trillion, eight hundred ninety-five billion, nine hundred seventy-two million, two hundred eighty-two thousand, one hundred one".