275425401806 has 4 divisors (see below), whose sum is σ = 413138102712. Its totient is φ = 137712700902.

The previous prime is 275425401799. The next prime is 275425401857. The reversal of 275425401806 is 608104524572.

It is a semiprime because it is the product of two primes.

It is a super-3 number, since 3×275425401806³ (a number of 35 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68856350450 + ... + 68856350453.

It is an arithmetic number, because the mean of its divisors is an integer number (103284525678).

Almost surely, 2^275425401806 is an apocalyptic number.

275425401806 is a deficient number, since it is larger than the sum of its proper divisors (137712700906).

275425401806 is a wasteful number, since it uses less digits than its factorization.

275425401806 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137712700905.

The product of its (nonzero) digits is 537600, while the sum is 44.

The spelling of 275425401806 in words is "two hundred seventy-five billion, four hundred twenty-five million, four hundred one thousand, eight hundred six".