263125147554453 has 4 divisors (see below), whose sum is σ = 350833530072608. Its totient is φ = 175416765036300.

The previous prime is 263125147554443. The next prime is 263125147554481. The reversal of 263125147554453 is 354455741521362.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 263125147554453 - 2⁸ = 263125147554197 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 263125147554393 and 263125147554402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (263125147554443) 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, 43854191259073 + ... + 43854191259078.

It is an arithmetic number, because the mean of its divisors is an integer number (87708382518152).

Almost surely, 2^{263125147554453} is an apocalyptic number.

It is an amenable number.

263125147554453 is a deficient number, since it is larger than the sum of its proper divisors (87708382518155).

263125147554453 is an equidigital number, since it uses as much as digits as its factorization.

263125147554453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87708382518154.

The product of its digits is 60480000, while the sum is 57.

The spelling of 263125147554453 in words is "two hundred sixty-three trillion, one hundred twenty-five billion, one hundred forty-seven million, five hundred fifty-four thousand, four hundred fifty-three".