2280915901997 has 2 divisors, whose sum is σ = 2280915901998. Its totient is φ = 2280915901996.

The previous prime is 2280915901933. The next prime is 2280915902003. The reversal of 2280915901997 is 7991095190822.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1580624758441 + 700291143556 = 1257229^2 + 836834^2 .

It is a cyclic number.

It is not a de Polignac number, because 2280915901997 - 2⁶ = 2280915901933 is a prime.

It is a super-4 number, since 4×2280915901997⁴ (a number of 51 digits) contains 4444 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2280915909997) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1140457950998 + 1140457950999.

It is an arithmetic number, because the mean of its divisors is an integer number (1140457950999).

Almost surely, 2^{2280915901997} is an apocalyptic number.

It is an amenable number.

2280915901997 is a deficient number, since it is larger than the sum of its proper divisors (1).

2280915901997 is an equidigital number, since it uses as much as digits as its factorization.

2280915901997 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7348320, while the sum is 62.

The spelling of 2280915901997 in words is "two trillion, two hundred eighty billion, nine hundred fifteen million, nine hundred one thousand, nine hundred ninety-seven".