52478100269 has 4 divisors (see below), whose sum is σ = 59974971744. Its totient is φ = 44981228796.

The previous prime is 52478100253. The next prime is 52478100281. The reversal of 52478100269 is 96200187425.

It is a happy number.

52478100269 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 52478100269 - 2⁴ = 52478100253 is a prime.

It is a super-2 number, since 2×52478100269² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52478100569) 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, 3748435727 + ... + 3748435740.

It is an arithmetic number, because the mean of its divisors is an integer number (14993742936).

Almost surely, 2^52478100269 is an apocalyptic number.

It is an amenable number.

52478100269 is a deficient number, since it is larger than the sum of its proper divisors (7496871475).

52478100269 is an equidigital number, since it uses as much as digits as its factorization.

52478100269 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7496871474.

The product of its (nonzero) digits is 241920, while the sum is 44.

The spelling of 52478100269 in words is "fifty-two billion, four hundred seventy-eight million, one hundred thousand, two hundred sixty-nine".