2001422396741 has 2 divisors, whose sum is σ = 2001422396742. Its totient is φ = 2001422396740.

The previous prime is 2001422396737. The next prime is 2001422396749. The reversal of 2001422396741 is 1476932241002.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1313980764100 + 687441632641 = 1146290^2 + 829121^2 .

It is a cyclic number.

It is not a de Polignac number, because 2001422396741 - 2² = 2001422396737 is a prime.

It is a super-2 number, since 2×2001422396741² (a number of 25 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2001422396749) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1000711198370 + 1000711198371.

It is an arithmetic number, because the mean of its divisors is an integer number (1000711198371).

Almost surely, 2^{2001422396741} is an apocalyptic number.

It is an amenable number.

2001422396741 is a deficient number, since it is larger than the sum of its proper divisors (1).

2001422396741 is an equidigital number, since it uses as much as digits as its factorization.

2001422396741 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 145152, while the sum is 41.

The spelling of 2001422396741 in words is "two trillion, one billion, four hundred twenty-two million, three hundred ninety-six thousand, seven hundred forty-one".