4048921502149 has 2 divisors, whose sum is σ = 4048921502150. Its totient is φ = 4048921502148.

The previous prime is 4048921502123. The next prime is 4048921502177. The reversal of 4048921502149 is 9412051298404.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2591633121025 + 1457288381124 = 1609855^2 + 1207182^2 .

It is a cyclic number.

It is not a de Polignac number, because 4048921502149 - 2³³ = 4040331567557 is a prime.

It is a super-2 number, since 2×4048921502149² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4048921502189) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2024460751074 + 2024460751075.

It is an arithmetic number, because the mean of its divisors is an integer number (2024460751075).

Almost surely, 2^{4048921502149} is an apocalyptic number.

It is an amenable number.

4048921502149 is a deficient number, since it is larger than the sum of its proper divisors (1).

4048921502149 is an equidigital number, since it uses as much as digits as its factorization.

4048921502149 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 829440, while the sum is 49.

The spelling of 4048921502149 in words is "four trillion, forty-eight billion, nine hundred twenty-one million, five hundred two thousand, one hundred forty-nine".