1880632895969 has 2 divisors, whose sum is σ = 1880632895970. Its totient is φ = 1880632895968.

The previous prime is 1880632895929. The next prime is 1880632895971. The reversal of 1880632895969 is 9695982360881.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1615217311744 + 265415584225 = 1270912^2 + 515185^2 .

It is a cyclic number.

It is not a de Polignac number, because 1880632895969 - 2¹² = 1880632891873 is a prime.

It is a super-2 number, since 2×1880632895969² (a number of 25 digits) contains 22 as substring.

Together with 1880632895971, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 1880632895896 and 1880632895905.

It is not a weakly prime, because it can be changed into another prime (1880632895929) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 940316447984 + 940316447985.

It is an arithmetic number, because the mean of its divisors is an integer number (940316447985).

Almost surely, 2^{1880632895969} is an apocalyptic number.

It is an amenable number.

1880632895969 is a deficient number, since it is larger than the sum of its proper divisors (1).

1880632895969 is an equidigital number, since it uses as much as digits as its factorization.

1880632895969 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 403107840, while the sum is 74.

The spelling of 1880632895969 in words is "one trillion, eight hundred eighty billion, six hundred thirty-two million, eight hundred ninety-five thousand, nine hundred sixty-nine".