403415261263 has 4 divisors (see below), whose sum is σ = 461046012880. Its totient is φ = 345784509648.

The previous prime is 403415261231. The next prime is 403415261267. The reversal of 403415261263 is 362162514304.

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

It is a cyclic number.

It is not a de Polignac number, because 403415261263 - 2⁵ = 403415261231 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 (403415261267) 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, 28815375798 + ... + 28815375811.

It is an arithmetic number, because the mean of its divisors is an integer number (115261503220).

Almost surely, 2^403415261263 is an apocalyptic number.

403415261263 is a deficient number, since it is larger than the sum of its proper divisors (57630751617).

403415261263 is an equidigital number, since it uses as much as digits as its factorization.

403415261263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57630751616.

The product of its (nonzero) digits is 103680, while the sum is 37.

Adding to 403415261263 its reverse (362162514304), we get a palindrome (765577775567).

The spelling of 403415261263 in words is "four hundred three billion, four hundred fifteen million, two hundred sixty-one thousand, two hundred sixty-three".