275438954601 has 20 divisors (see below), whose sum is σ = 411716029252. Its totient is φ = 183510901728.

The previous prime is 275438954597. The next prime is 275438954611. The reversal of 275438954601 is 106459834572.

It is a happy number.

275438954601 is a `hidden beast` number, since 2 + 7 + 543 + 8 + 95 + 4 + 6 + 0 + 1 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 91418546025 + 184020408576 = 302355^2 + 428976^2 .

It is not a de Polignac number, because 275438954601 - 2² = 275438954597 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (275438954611) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 935290 + ... + 1194003.

It is a 1-persistent number, because it is pandigital, but 2⋅275438954601 = 550877909202 is not.

Almost surely, 2^275438954601 is an apocalyptic number.

It is an amenable number.

275438954601 is a deficient number, since it is larger than the sum of its proper divisors (136277074651).

275438954601 is a wasteful number, since it uses less digits than its factorization.

275438954601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2130902 (or 2130893 counting only the distinct ones).

The product of its (nonzero) digits is 7257600, while the sum is 54.

The spelling of 275438954601 in words is "two hundred seventy-five billion, four hundred thirty-eight million, nine hundred fifty-four thousand, six hundred one".