249220528433 has 2 divisors, whose sum is σ = 249220528434. Its totient is φ = 249220528432.

The previous prime is 249220528421. The next prime is 249220528463. The reversal of 249220528433 is 334825022942.

It is a happy number.

249220528433 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 247662489649 + 1558038784 = 497657^2 + 39472^2 .

It is a cyclic number.

It is not a de Polignac number, because 249220528433 - 2¹² = 249220524337 is a prime.

It is a super-2 number, since 2×249220528433² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (249220528463) 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, 124610264216 + 124610264217.

It is an arithmetic number, because the mean of its divisors is an integer number (124610264217).

Almost surely, 2^249220528433 is an apocalyptic number.

It is an amenable number.

249220528433 is a deficient number, since it is larger than the sum of its proper divisors (1).

249220528433 is an equidigital number, since it uses as much as digits as its factorization.

249220528433 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 829440, while the sum is 44.

The spelling of 249220528433 in words is "two hundred forty-nine billion, two hundred twenty million, five hundred twenty-eight thousand, four hundred thirty-three".