49394470477 has 4 divisors (see below), whose sum is σ = 53884876896. Its totient is φ = 44904064060.

The previous prime is 49394470471. The next prime is 49394470483. The reversal of 49394470477 is 77407449394.

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 an interprime number because it is at equal distance from previous prime (49394470471) and next prime (49394470483).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-49394470477 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 (49394470471) 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, 2245203193 + ... + 2245203214.

It is an arithmetic number, because the mean of its divisors is an integer number (13471219224).

Almost surely, 2^49394470477 is an apocalyptic number.

It is an amenable number.

49394470477 is a deficient number, since it is larger than the sum of its proper divisors (4490406419).

49394470477 is a wasteful number, since it uses less digits than its factorization.

49394470477 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4490406418.

The product of its (nonzero) digits is 21337344, while the sum is 58.

The spelling of 49394470477 in words is "forty-nine billion, three hundred ninety-four million, four hundred seventy thousand, four hundred seventy-seven".