253471528469 has 8 divisors (see below), whose sum is σ = 253840335000. Its totient is φ = 253102966272.

The previous prime is 253471528463. The next prime is 253471528481. The reversal of 253471528469 is 964825174352.

It can be written as a sum of positive squares in 4 ways, for example, as 241118317444 + 12353211025 = 491038^2 + 111145^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-253471528469 is a prime.

It is a super-2 number, since 2×253471528469² (a number of 24 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 (253471528463) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2068877 + ... + 2187965.

It is an arithmetic number, because the mean of its divisors is an integer number (31730041875).

Almost surely, 2^253471528469 is an apocalyptic number.

It is an amenable number.

253471528469 is a deficient number, since it is larger than the sum of its proper divisors (368806531).

253471528469 is a wasteful number, since it uses less digits than its factorization.

253471528469 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122167.

The product of its digits is 14515200, while the sum is 56.

The spelling of 253471528469 in words is "two hundred fifty-three billion, four hundred seventy-one million, five hundred twenty-eight thousand, four hundred sixty-nine".