49123088213 has 4 divisors (see below), whose sum is σ = 50049938988. Its totient is φ = 48196237440.

The previous prime is 49123088177. The next prime is 49123088227. The reversal of 49123088213 is 31288032194.

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 23911364689 + 25211723524 = 154633^2 + 158782^2 .

It is a cyclic number.

It is not a de Polignac number, because 49123088213 - 2⁸ = 49123087957 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 (49128088213) 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, 463425308 + ... + 463425413.

It is an arithmetic number, because the mean of its divisors is an integer number (12512484747).

Almost surely, 2^49123088213 is an apocalyptic number.

It is an amenable number.

49123088213 is a deficient number, since it is larger than the sum of its proper divisors (926850775).

49123088213 is an equidigital number, since it uses as much as digits as its factorization.

49123088213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 926850774.

The product of its (nonzero) digits is 82944, while the sum is 41.

The spelling of 49123088213 in words is "forty-nine billion, one hundred twenty-three million, eighty-eight thousand, two hundred thirteen".