49348987351 has 4 divisors (see below), whose sum is σ = 51050676600. Its totient is φ = 47647298104.

The previous prime is 49348987333. The next prime is 49348987403. The reversal of 49348987351 is 15378984394.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 49348987351 - 2⁹ = 49348986839 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 49348987351.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49348981351) 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, 850844581 + ... + 850844638.

It is an arithmetic number, because the mean of its divisors is an integer number (12762669150).

Almost surely, 2^49348987351 is an apocalyptic number.

49348987351 is a deficient number, since it is larger than the sum of its proper divisors (1701689249).

49348987351 is a wasteful number, since it uses less digits than its factorization.

49348987351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1701689248.

The product of its digits is 26127360, while the sum is 61.

The spelling of 49348987351 in words is "forty-nine billion, three hundred forty-eight million, nine hundred eighty-seven thousand, three hundred fifty-one".