49035230721 has 27 divisors (see below), whose sum is σ = 71363305377. Its totient is φ = 32445242280.

The previous prime is 49035230711. The next prime is 49035230731. The reversal of 49035230721 is 12703253094.

The square root of 49035230721 is 221439.

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

49035230721 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (49035230711) and next prime (49035230731).

It is not a de Polignac number, because 49035230721 - 2⁵ = 49035230689 is a prime.

It is not an unprimeable number, because it can be changed into a prime (49035230711) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 148142526 + ... + 148142856.

Almost surely, 2^49035230721 is an apocalyptic number.

49035230721 is the 221439-th square number.

49035230721 is the 110720-th centered octagonal number.

It is an amenable number.

49035230721 is a deficient number, since it is larger than the sum of its proper divisors (22328074656).

49035230721 is an frugal number, since it uses more digits than its factorization.

49035230721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1114 (or 557 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 36.

Multiplying 49035230721 by its sum of digits (36), we get a square (1765268305956 = 1328634²).

The spelling of 49035230721 in words is "forty-nine billion, thirty-five million, two hundred thirty thousand, seven hundred twenty-one".