264435103205431 has 32 divisors (see below), whose sum is σ = 274799605405248. Its totient is φ = 254275682734080.

The previous prime is 264435103205387. The next prime is 264435103205513. The reversal of 264435103205431 is 134502301534462.

It is not a de Polignac number, because 264435103205431 - 2⁹ = 264435103204919 is a prime.

It is a super-2 number, since 2×264435103205431² (a number of 30 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (264435103205731) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4305537835 + ... + 4305599251.

It is an arithmetic number, because the mean of its divisors is an integer number (8587487668914).

Almost surely, 2^{264435103205431} is an apocalyptic number.

264435103205431 is a deficient number, since it is larger than the sum of its proper divisors (10364502199817).

264435103205431 is a wasteful number, since it uses less digits than its factorization.

264435103205431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64051.

The product of its (nonzero) digits is 1036800, while the sum is 43.

Adding to 264435103205431 its reverse (134502301534462), we get a palindrome (398937404739893).

The spelling of 264435103205431 in words is "two hundred sixty-four trillion, four hundred thirty-five billion, one hundred three million, two hundred five thousand, four hundred thirty-one".