49500140381 has 4 divisors (see below), whose sum is σ = 49510737852. Its totient is φ = 49489542912.

The previous prime is 49500140369. The next prime is 49500140399. The reversal of 49500140381 is 18304100594.

49500140381 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 28166908900 + 21333231481 = 167830^2 + 146059^2 .

It is a cyclic number.

It is not a de Polignac number, because 49500140381 - 2¹⁴ = 49500123997 is a prime.

It is a super-2 number, since 2×49500140381² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49500142381) 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, 5291726 + ... + 5301071.

It is an arithmetic number, because the mean of its divisors is an integer number (12377684463).

Almost surely, 2^49500140381 is an apocalyptic number.

It is an amenable number.

49500140381 is a deficient number, since it is larger than the sum of its proper divisors (10597471).

49500140381 is a wasteful number, since it uses less digits than its factorization.

49500140381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10597470.

The product of its (nonzero) digits is 17280, while the sum is 35.

The spelling of 49500140381 in words is "forty-nine billion, five hundred million, one hundred forty thousand, three hundred eighty-one".