2975456220881 has 2 divisors, whose sum is σ = 2975456220882. Its totient is φ = 2975456220880.

The previous prime is 2975456220757. The next prime is 2975456220899. The reversal of 2975456220881 is 1880226545792.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2734257366481 + 241198854400 = 1653559^2 + 491120^2 .

It is a cyclic number.

It is not a de Polignac number, because 2975456220881 - 2³⁴ = 2958276351697 is a prime.

It is a super-2 number, since 2×2975456220881² (a number of 26 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2975456220881.

It is not a weakly prime, because it can be changed into another prime (2975456220281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1487728110440 + 1487728110441.

It is an arithmetic number, because the mean of its divisors is an integer number (1487728110441).

Almost surely, 2^{2975456220881} is an apocalyptic number.

It is an amenable number.

2975456220881 is a deficient number, since it is larger than the sum of its proper divisors (1).

2975456220881 is an equidigital number, since it uses as much as digits as its factorization.

2975456220881 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 19353600, while the sum is 59.

The spelling of 2975456220881 in words is "two trillion, nine hundred seventy-five billion, four hundred fifty-six million, two hundred twenty thousand, eight hundred eighty-one".