203129749578241 has 8 divisors (see below), whose sum is σ = 205060853781504. Its totient is φ = 201199250844240.

The previous prime is 203129749578221. The next prime is 203129749578251. The reversal of 203129749578241 is 142875947921302.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 203129749578241 - 2⁷ = 203129749578113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (203129749578221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 150693130 + ... + 152035123.

It is an arithmetic number, because the mean of its divisors is an integer number (25632606722688).

Almost surely, 2^{203129749578241} is an apocalyptic number.

It is an amenable number.

203129749578241 is a deficient number, since it is larger than the sum of its proper divisors (1931104203263).

203129749578241 is a wasteful number, since it uses less digits than its factorization.

203129749578241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 302734631.

The product of its (nonzero) digits is 60963840, while the sum is 64.

The spelling of 203129749578241 in words is "two hundred three trillion, one hundred twenty-nine billion, seven hundred forty-nine million, five hundred seventy-eight thousand, two hundred forty-one".