4054149109 has 2 divisors, whose sum is σ = 4054149110. Its totient is φ = 4054149108.

The previous prime is 4054149067. The next prime is 4054149133. The reversal of 4054149109 is 9019414504.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3645502884 + 408646225 = 60378^2 + 20215^2 .

It is a cyclic number.

It is not a de Polignac number, because 4054149109 - 2¹³ = 4054140917 is a prime.

It is a super-2 number, since 2×4054149109² = 32872249996010987762, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4054149179) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2027074554 + 2027074555.

It is an arithmetic number, because the mean of its divisors is an integer number (2027074555).

Almost surely, 2^4054149109 is an apocalyptic number.

It is an amenable number.

4054149109 is a deficient number, since it is larger than the sum of its proper divisors (1).

4054149109 is an equidigital number, since it uses as much as digits as its factorization.

4054149109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 25920, while the sum is 37.

The square root of 4054149109 is about 63672.2004410088. The cubic root of 4054149109 is about 1594.5319996293.

The spelling of 4054149109 in words is "four billion, fifty-four million, one hundred forty-nine thousand, one hundred nine".