2119621495841 has 2 divisors, whose sum is σ = 2119621495842. Its totient is φ = 2119621495840.

The previous prime is 2119621495829. The next prime is 2119621495897. The reversal of 2119621495841 is 1485941269112.

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., 1233521209600 + 886100286241 = 1110640^2 + 941329^2 .

It is a cyclic number.

It is not a de Polignac number, because 2119621495841 - 2⁶ = 2119621495777 is a prime.

It is not a weakly prime, because it can be changed into another prime (2119621495811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1059810747920 + 1059810747921.

It is an arithmetic number, because the mean of its divisors is an integer number (1059810747921).

Almost surely, 2^{2119621495841} is an apocalyptic number.

It is an amenable number.

2119621495841 is a deficient number, since it is larger than the sum of its proper divisors (1).

2119621495841 is an equidigital number, since it uses as much as digits as its factorization.

2119621495841 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1244160, while the sum is 53.

The spelling of 2119621495841 in words is "two trillion, one hundred nineteen billion, six hundred twenty-one million, four hundred ninety-five thousand, eight hundred forty-one".