4149520101 has 6 divisors (see below), whose sum is σ = 5993751270. Its totient is φ = 2766346728.

The previous prime is 4149520073. The next prime is 4149520103. The reversal of 4149520101 is 1010259414.

It can be written as a sum of positive squares in only one way, i.e., 4000436001 + 149084100 = 63249^2 + 12210^2 .

It is not a de Polignac number, because 4149520101 - 2¹³ = 4149511909 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4149520103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 230528886 + ... + 230528903.

It is an arithmetic number, because the mean of its divisors is an integer number (998958545).

Almost surely, 2^4149520101 is an apocalyptic number.

It is an amenable number.

4149520101 is a deficient number, since it is larger than the sum of its proper divisors (1844231169).

4149520101 is a wasteful number, since it uses less digits than its factorization.

4149520101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 461057795 (or 461057792 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 27.

The square root of 4149520101 is about 64416.7687873274. The cubic root of 4149520101 is about 1606.9386292937.

Adding to 4149520101 its reverse (1010259414), we get a palindrome (5159779515).

The spelling of 4149520101 in words is "four billion, one hundred forty-nine million, five hundred twenty thousand, one hundred one".