205267463401 has 32 divisors (see below), whose sum is σ = 276807686400. Its totient is φ = 147000026880.

The previous prime is 205267463389. The next prime is 205267463411. The reversal of 205267463401 is 104364762502.

It is not a de Polignac number, because 205267463401 - 2¹¹ = 205267461353 is a prime.

It is not an unprimeable number, because it can be changed into a prime (205267463411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 218506 + ... + 676963.

It is an arithmetic number, because the mean of its divisors is an integer number (8650240200).

Almost surely, 2^205267463401 is an apocalyptic number.

It is an amenable number.

205267463401 is a deficient number, since it is larger than the sum of its proper divisors (71540222999).

205267463401 is a wasteful number, since it uses less digits than its factorization.

205267463401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 895729.

The product of its (nonzero) digits is 241920, while the sum is 40.

The spelling of 205267463401 in words is "two hundred five billion, two hundred sixty-seven million, four hundred sixty-three thousand, four hundred one".