1970409176081 has 2 divisors, whose sum is σ = 1970409176082. Its totient is φ = 1970409176080.

The previous prime is 1970409176069. The next prime is 1970409176083. The reversal of 1970409176081 is 1806719040791.

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., 1306542727681 + 663866448400 = 1143041^2 + 814780^2 .

It is a cyclic number.

It is not a de Polignac number, because 1970409176081 - 2²⁶ = 1970342067217 is a prime.

It is a super-2 number, since 2×1970409176081² (a number of 25 digits) contains 22 as substring.

Together with 1970409176083, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1970409176083) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 985204588040 + 985204588041.

It is an arithmetic number, because the mean of its divisors is an integer number (985204588041).

Almost surely, 2^{1970409176081} is an apocalyptic number.

It is an amenable number.

1970409176081 is a deficient number, since it is larger than the sum of its proper divisors (1).

1970409176081 is an equidigital number, since it uses as much as digits as its factorization.

1970409176081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 762048, while the sum is 53.

The spelling of 1970409176081 in words is "one trillion, nine hundred seventy billion, four hundred nine million, one hundred seventy-six thousand, eighty-one".