403432452013 has 4 divisors (see below), whose sum is σ = 407426832828. Its totient is φ = 399438071200.

The previous prime is 403432451987. The next prime is 403432452061. The reversal of 403432452013 is 310254234304.

It is a happy number.

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 316099199529 + 87333252484 = 562227^2 + 295522^2 .

It is a cyclic number.

It is not a de Polignac number, because 403432452013 - 2²¹ = 403430354861 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (403432452613) 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, 1997190256 + ... + 1997190457.

It is an arithmetic number, because the mean of its divisors is an integer number (101856708207).

Almost surely, 2^403432452013 is an apocalyptic number.

It is an amenable number.

403432452013 is a deficient number, since it is larger than the sum of its proper divisors (3994380815).

403432452013 is a wasteful number, since it uses less digits than its factorization.

403432452013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3994380814.

The product of its (nonzero) digits is 34560, while the sum is 31.

Adding to 403432452013 its reverse (310254234304), we get a palindrome (713686686317).

The spelling of 403432452013 in words is "four hundred three billion, four hundred thirty-two million, four hundred fifty-two thousand, thirteen".