205379631029703 has 16 divisors (see below), whose sum is σ = 299305639101056. Its totient is φ = 124501085169120.

The previous prime is 205379631029659. The next prime is 205379631029723. The reversal of 205379631029703 is 307920136973502.

It is not a de Polignac number, because 205379631029703 - 2¹³ = 205379631021511 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (205379631029723) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39299582353 + ... + 39299587578.

It is an arithmetic number, because the mean of its divisors is an integer number (18706602443816).

Almost surely, 2^{205379631029703} is an apocalyptic number.

205379631029703 is a deficient number, since it is larger than the sum of its proper divisors (93926008071353).

205379631029703 is a wasteful number, since it uses less digits than its factorization.

205379631029703 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78599170014.

The product of its (nonzero) digits is 12859560, while the sum is 57.

The spelling of 205379631029703 in words is "two hundred five trillion, three hundred seventy-nine billion, six hundred thirty-one million, twenty-nine thousand, seven hundred three".