49649198041 has 9 divisors (see below), whose sum is σ = 49992233781. Its totient is φ = 49308504732.

The previous prime is 49649198021. The next prime is 49649198051. The reversal of 49649198041 is 14089194694.

The square root of 49649198041 is 222821.

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

It is not a de Polignac number, because 49649198041 - 2¹¹ = 49649195993 is a prime.

It is a super-2 number, since 2×49649198041² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49649198021) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 36319140 + ... + 36320506.

Almost surely, 2^49649198041 is an apocalyptic number.

49649198041 is the 222821-st square number.

49649198041 is the 111411-st centered octagonal number.

It is an amenable number.

49649198041 is a deficient number, since it is larger than the sum of its proper divisors (343035740).

49649198041 is an frugal number, since it uses more digits than its factorization.

49649198041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3060 (or 1530 counting only the distinct ones).

The product of its (nonzero) digits is 2239488, while the sum is 55.

The spelling of 49649198041 in words is "forty-nine billion, six hundred forty-nine million, one hundred ninety-eight thousand, forty-one".