253480467969 has 12 divisors (see below), whose sum is σ = 366144862356. Its totient is φ = 168984020832.

The previous prime is 253480467857. The next prime is 253480467973. The reversal of 253480467969 is 969764084352.

253480467969 is a `hidden beast` number, since 2 + 5 + 3 + 4 + 80 + 467 + 96 + 9 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 134670650625 + 118809817344 = 366975^2 + 344688^2 .

It is not a de Polignac number, because 253480467969 - 2²³ = 253472079361 is a prime.

It is a super-2 number, since 2×253480467969² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (253480460969) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 380107 + ... + 807119.

It is an arithmetic number, because the mean of its divisors is an integer number (30512071863).

Almost surely, 2^253480467969 is an apocalyptic number.

It is an amenable number.

253480467969 is a deficient number, since it is larger than the sum of its proper divisors (112664394387).

253480467969 is a wasteful number, since it uses less digits than its factorization.

253480467969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 492976 (or 492973 counting only the distinct ones).

The product of its (nonzero) digits is 78382080, while the sum is 63.

The spelling of 253480467969 in words is "two hundred fifty-three billion, four hundred eighty million, four hundred sixty-seven thousand, nine hundred sixty-nine".