49021100001 has 12 divisors (see below), whose sum is σ = 70834939812. Its totient is φ = 32668417536.

The previous prime is 49021099999. The next prime is 49021100027. The reversal of 49021100001 is 10000112094.

It can be written as a sum of positive squares in 2 ways, for example, as 40875134976 + 8145965025 = 202176^2 + 90255^2 .

It is not a de Polignac number, because 49021100001 - 2¹ = 49021099999 is a prime.

It is not an unprimeable number, because it can be changed into a prime (49021101001) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1001076 + ... + 1048901.

It is an arithmetic number, because the mean of its divisors is an integer number (5902911651).

Almost surely, 2^49021100001 is an apocalyptic number.

It is an amenable number.

49021100001 is a deficient number, since it is larger than the sum of its proper divisors (21813839811).

49021100001 is a wasteful number, since it uses less digits than its factorization.

49021100001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2052640 (or 2052637 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

Adding to 49021100001 its reverse (10000112094), we get a palindrome (59021212095).

The spelling of 49021100001 in words is "forty-nine billion, twenty-one million, one hundred thousand, one".