4013054638121 has 2 divisors, whose sum is σ = 4013054638122. Its totient is φ = 4013054638120.

The previous prime is 4013054638063. The next prime is 4013054638127. The reversal of 4013054638121 is 1218364503104.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3994657784896 + 18396853225 = 1998664^2 + 135635^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4013054638121 is a prime.

It is a super-2 number, since 2×4013054638121² (a number of 26 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (4013054638127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2006527319060 + 2006527319061.

It is an arithmetic number, because the mean of its divisors is an integer number (2006527319061).

Almost surely, 2^{4013054638121} is an apocalyptic number.

It is an amenable number.

4013054638121 is a deficient number, since it is larger than the sum of its proper divisors (1).

4013054638121 is an equidigital number, since it uses as much as digits as its factorization.

4013054638121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 69120, while the sum is 38.

The spelling of 4013054638121 in words is "four trillion, thirteen billion, fifty-four million, six hundred thirty-eight thousand, one hundred twenty-one".