49777740745 has 16 divisors (see below), whose sum is σ = 60362160768. Its totient is φ = 39403123200.

The previous prime is 49777740743. The next prime is 49777740787. The reversal of 49777740745 is 54704777794.

It is not a de Polignac number, because 49777740745 - 2¹ = 49777740743 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49777740743) 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, 3169402 + ... + 3185068.

It is an arithmetic number, because the mean of its divisors is an integer number (3772635048).

Almost surely, 2^49777740745 is an apocalyptic number.

It is an amenable number.

49777740745 is a deficient number, since it is larger than the sum of its proper divisors (10584420023).

49777740745 is a wasteful number, since it uses less digits than its factorization.

49777740745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22320.

The product of its (nonzero) digits is 48404160, while the sum is 61.

The spelling of 49777740745 in words is "forty-nine billion, seven hundred seventy-seven million, seven hundred forty thousand, seven hundred forty-five".