249220528463 has 2 divisors, whose sum is σ = 249220528464. Its totient is φ = 249220528462.

The previous prime is 249220528433. The next prime is 249220528481. The reversal of 249220528463 is 364825022942.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 249220528463 - 2³⁰ = 248146786639 is a prime.

It is a super-2 number, since 2×249220528463² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (249220528433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 124610264231 + 124610264232.

It is an arithmetic number, because the mean of its divisors is an integer number (124610264232).

Almost surely, 2^249220528463 is an apocalyptic number.

249220528463 is a deficient number, since it is larger than the sum of its proper divisors (1).

249220528463 is an equidigital number, since it uses as much as digits as its factorization.

249220528463 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1658880, while the sum is 47.

The spelling of 249220528463 in words is "two hundred forty-nine billion, two hundred twenty million, five hundred twenty-eight thousand, four hundred sixty-three".