288472910981 has 2 divisors, whose sum is σ = 288472910982. Its totient is φ = 288472910980.

The previous prime is 288472910941. The next prime is 288472910987. The reversal of 288472910981 is 189019274882.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 280550308900 + 7922602081 = 529670^2 + 89009^2 .

It is a cyclic number.

It is not a de Polignac number, because 288472910981 - 2⁶ = 288472910917 is a prime.

It is a super-2 number, since 2×288472910981² (a number of 24 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 288472910981.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (288472910987) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 144236455490 + 144236455491.

It is an arithmetic number, because the mean of its divisors is an integer number (144236455491).

Almost surely, 2^288472910981 is an apocalyptic number.

It is an amenable number.

288472910981 is a deficient number, since it is larger than the sum of its proper divisors (1).

288472910981 is an equidigital number, since it uses as much as digits as its factorization.

288472910981 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4644864, while the sum is 59.

The spelling of 288472910981 in words is "two hundred eighty-eight billion, four hundred seventy-two million, nine hundred ten thousand, nine hundred eighty-one".