424242400433 has 4 divisors (see below), whose sum is σ = 424248754020. Its totient is φ = 424236046848.

The previous prime is 424242400399. The next prime is 424242400453. The reversal of 424242400433 is 334004242424.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 52053335104 + 372189065329 = 228152^2 + 610073^2 .

It is a cyclic number.

It is not a de Polignac number, because 424242400433 - 2¹⁰ = 424242399409 is a prime.

It is a super-2 number, since 2×424242400433² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 424242400433.

It is not an unprimeable number, because it can be changed into a prime (424242400453) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3075560 + ... + 3210537.

It is an arithmetic number, because the mean of its divisors is an integer number (106062188505).

Almost surely, 2^424242400433 is an apocalyptic number.

It is an amenable number.

424242400433 is a deficient number, since it is larger than the sum of its proper divisors (6353587).

424242400433 is an equidigital number, since it uses as much as digits as its factorization.

424242400433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6353586.

The product of its (nonzero) digits is 73728, while the sum is 32.

Adding to 424242400433 its reverse (334004242424), we get a palindrome (758246642857).

The spelling of 424242400433 in words is "four hundred twenty-four billion, two hundred forty-two million, four hundred thousand, four hundred thirty-three".