49017517201 has 3 divisors (see below), whose sum is σ = 49017738601. Its totient is φ = 49017295802.

The previous prime is 49017517193. The next prime is 49017517217. The reversal of 49017517201 is 10271571094.

The square root of 49017517201 is 221399.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is not a de Polignac number, because 49017517201 - 2³ = 49017517193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49017517261) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 110700 + ... + 332098.

Almost surely, 2^49017517201 is an apocalyptic number.

49017517201 is the 221399-th square number.

49017517201 is the 110700-th centered octagonal number.

It is an amenable number.

49017517201 is a deficient number, since it is larger than the sum of its proper divisors (221400).

49017517201 is an frugal number, since it uses more digits than its factorization.

49017517201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 442798 (or 221399 counting only the distinct ones).

The product of its (nonzero) digits is 17640, while the sum is 37.

The spelling of 49017517201 in words is "forty-nine billion, seventeen million, five hundred seventeen thousand, two hundred one".