4572650770981 has 2 divisors, whose sum is σ = 4572650770982. Its totient is φ = 4572650770980.

The previous prime is 4572650770979. The next prime is 4572650771041. The reversal of 4572650770981 is 1890770562754.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4243394002500 + 329256768481 = 2059950^2 + 573809^2 .

It is a cyclic number.

It is not a de Polignac number, because 4572650770981 - 2¹ = 4572650770979 is a prime.

It is a super-2 number, since 2×4572650770981² (a number of 26 digits) contains 22 as substring.

Together with 4572650770979, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4572650774981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2286325385490 + 2286325385491.

It is an arithmetic number, because the mean of its divisors is an integer number (2286325385491).

Almost surely, 2^{4572650770981} is an apocalyptic number.

It is an amenable number.

4572650770981 is a deficient number, since it is larger than the sum of its proper divisors (1).

4572650770981 is an equidigital number, since it uses as much as digits as its factorization.

4572650770981 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 29635200, while the sum is 61.

The spelling of 4572650770981 in words is "four trillion, five hundred seventy-two billion, six hundred fifty million, seven hundred seventy thousand, nine hundred eighty-one".