275428835451 has 96 divisors (see below), whose sum is σ = 525414988800. Its totient is φ = 134605117440.

The previous prime is 275428835431. The next prime is 275428835453. The reversal of 275428835451 is 154538824572.

It is a happy number.

275428835451 is a `hidden beast` number, since 2 + 7 + 5 + 4 + 288 + 354 + 5 + 1 = 666.

It is not a de Polignac number, because 275428835451 - 2⁵ = 275428835419 is a prime.

It is a super-2 number, since 2×275428835451² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (275428835453) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 41925295 + ... + 41931863.

It is an arithmetic number, because the mean of its divisors is an integer number (5473072800).

Almost surely, 2^275428835451 is an apocalyptic number.

275428835451 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

275428835451 is a deficient number, since it is larger than the sum of its proper divisors (249986153349).

275428835451 is a wasteful number, since it uses less digits than its factorization.

275428835451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10169 (or 10166 counting only the distinct ones).

The product of its digits is 10752000, while the sum is 54.

The spelling of 275428835451 in words is "two hundred seventy-five billion, four hundred twenty-eight million, eight hundred thirty-five thousand, four hundred fifty-one".