49735621121 has 2 divisors, whose sum is σ = 49735621122. Its totient is φ = 49735621120.

The previous prime is 49735621081. The next prime is 49735621129. The reversal of 49735621121 is 12112653794.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 38911507600 + 10824113521 = 197260^2 + 104039^2 .

It is a cyclic number.

It is not a de Polignac number, because 49735621121 - 2¹⁸ = 49735358977 is a prime.

It is a super-2 number, since 2×49735621121² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (49735621129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24867810560 + 24867810561.

It is an arithmetic number, because the mean of its divisors is an integer number (24867810561).

Almost surely, 2^49735621121 is an apocalyptic number.

It is an amenable number.

49735621121 is a deficient number, since it is larger than the sum of its proper divisors (1).

49735621121 is an equidigital number, since it uses as much as digits as its factorization.

49735621121 is an evil number, because the sum of its binary digits is even.

The product of its digits is 90720, while the sum is 41.

The spelling of 49735621121 in words is "forty-nine billion, seven hundred thirty-five million, six hundred twenty-one thousand, one hundred twenty-one".