49243217501 has 4 divisors (see below), whose sum is σ = 52139877372. Its totient is φ = 46346557632.

The previous prime is 49243217489. The next prime is 49243217537. The reversal of 49243217501 is 10571234294.

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 35862511876 + 13380705625 = 189374^2 + 115675^2 .

It is not a de Polignac number, because 49243217501 - 2²⁶ = 49176108637 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49240217501) 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, 1448329910 + ... + 1448329943.

It is an arithmetic number, because the mean of its divisors is an integer number (13034969343).

Almost surely, 2^49243217501 is an apocalyptic number.

It is an amenable number.

49243217501 is a deficient number, since it is larger than the sum of its proper divisors (2896659871).

49243217501 is a wasteful number, since it uses less digits than its factorization.

49243217501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2896659870.

The product of its (nonzero) digits is 60480, while the sum is 38.

The spelling of 49243217501 in words is "forty-nine billion, two hundred forty-three million, two hundred seventeen thousand, five hundred one".