224781139951 has 2 divisors, whose sum is σ = 224781139952. Its totient is φ = 224781139950.

The previous prime is 224781139927. The next prime is 224781139963. The reversal of 224781139951 is 159931187422.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 224781139951 - 2¹⁹ = 224780615663 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (224781139901) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112390569975 + 112390569976.

It is an arithmetic number, because the mean of its divisors is an integer number (112390569976).

Almost surely, 2^224781139951 is an apocalyptic number.

224781139951 is a deficient number, since it is larger than the sum of its proper divisors (1).

224781139951 is an equidigital number, since it uses as much as digits as its factorization.

224781139951 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1088640, while the sum is 52.

The spelling of 224781139951 in words is "two hundred twenty-four billion, seven hundred eighty-one million, one hundred thirty-nine thousand, nine hundred fifty-one".