49434560477 has 4 divisors (see below), whose sum is σ = 49435822080. Its totient is φ = 49433298876.

The previous prime is 49434560459. The next prime is 49434560479. The reversal of 49434560477 is 77406543494.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-49434560477 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 (49434560479) 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, 570077 + ... + 651042.

It is an arithmetic number, because the mean of its divisors is an integer number (12358955520).

Almost surely, 2^49434560477 is an apocalyptic number.

It is an amenable number.

49434560477 is a deficient number, since it is larger than the sum of its proper divisors (1261603).

49434560477 is a wasteful number, since it uses less digits than its factorization.

49434560477 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1261602.

The product of its (nonzero) digits is 10160640, while the sum is 53.

The spelling of 49434560477 in words is "forty-nine billion, four hundred thirty-four million, five hundred sixty thousand, four hundred seventy-seven".