49701919513 has 4 divisors (see below), whose sum is σ = 50194017828. Its totient is φ = 49209821200.

The previous prime is 49701919493. The next prime is 49701919523. The reversal of 49701919513 is 31591910794.

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 21962350809 + 27739568704 = 148197^2 + 166552^2 .

It is a cyclic number.

It is not a de Polignac number, because 49701919513 - 2²⁹ = 49165048601 is a prime.

It is a super-3 number, since 3×49701919513³ (a number of 33 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49701919523) 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 3 ways as a sum of consecutive naturals, for example, 246049006 + ... + 246049207.

It is an arithmetic number, because the mean of its divisors is an integer number (12548504457).

Almost surely, 2^49701919513 is an apocalyptic number.

It is an amenable number.

49701919513 is a deficient number, since it is larger than the sum of its proper divisors (492098315).

49701919513 is a wasteful number, since it uses less digits than its factorization.

49701919513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 492098314.

The product of its (nonzero) digits is 306180, while the sum is 49.

The spelling of 49701919513 in words is "forty-nine billion, seven hundred one million, nine hundred nineteen thousand, five hundred thirteen".