4901801729449 has 4 divisors (see below), whose sum is σ = 4902118542036. Its totient is φ = 4901484916864.

The previous prime is 4901801729353. The next prime is 4901801729453. The reversal of 4901801729449 is 9449271081094.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1260410382400 + 3641391347049 = 1122680^2 + 1908243^2 .

It is a cyclic number.

It is not a de Polignac number, because 4901801729449 - 2³⁵ = 4867441991081 is a prime.

It is a super-3 number, since 3×4901801729449³ (a number of 39 digits) contains 333 as substring.

It is a Smith number, since the sum of its digits (58) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4901801729393 and 4901801729402.

It is not an unprimeable number, because it can be changed into a prime (4901801729249) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 158383084 + ... + 158414029.

It is an arithmetic number, because the mean of its divisors is an integer number (1225529635509).

Almost surely, 2^{4901801729449} is an apocalyptic number.

It is an amenable number.

4901801729449 is a deficient number, since it is larger than the sum of its proper divisors (316812587).

4901801729449 is a wasteful number, since it uses less digits than its factorization.

4901801729449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 316812586.

The product of its (nonzero) digits is 5225472, while the sum is 58.

The spelling of 4901801729449 in words is "four trillion, nine hundred one billion, eight hundred one million, seven hundred twenty-nine thousand, four hundred forty-nine".