49757921345469 has 16 divisors (see below), whose sum is σ = 69964765407680. Its totient is φ = 31367966739840.

The previous prime is 49757921345453. The next prime is 49757921345513. The reversal of 49757921345469 is 96454312975794.

It is not a de Polignac number, because 49757921345469 - 2⁴ = 49757921345453 is a prime.

It is a super-2 number, since 2×49757921345469² (a number of 28 digits) contains 22 as substring.

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 49757921345469.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49757921345569) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 806758432 + ... + 806820105.

It is an arithmetic number, because the mean of its divisors is an integer number (4372797837980).

Almost surely, 2^{49757921345469} is an apocalyptic number.

It is an amenable number.

49757921345469 is a deficient number, since it is larger than the sum of its proper divisors (20206844062211).

49757921345469 is a wasteful number, since it uses less digits than its factorization.

49757921345469 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1613579100.

The product of its digits is 2057529600, while the sum is 75.

The spelling of 49757921345469 in words is "forty-nine trillion, seven hundred fifty-seven billion, nine hundred twenty-one million, three hundred forty-five thousand, four hundred sixty-nine".