49358663665 has 32 divisors (see below), whose sum is σ = 64440852480. Its totient is φ = 36180232704.

The previous prime is 49358663663. The next prime is 49358663671. The reversal of 49358663665 is 56636685394.

It is a cyclic number.

It is not a de Polignac number, because 49358663665 - 2¹ = 49358663663 is a prime.

It is not an unprimeable number, because it can be changed into a prime (49358663663) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 365277 + ... + 481813.

It is an arithmetic number, because the mean of its divisors is an integer number (2013776640).

Almost surely, 2^49358663665 is an apocalyptic number.

It is an amenable number.

49358663665 is a deficient number, since it is larger than the sum of its proper divisors (15082188815).

49358663665 is a wasteful number, since it uses less digits than its factorization.

49358663665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116721.

The product of its digits is 83980800, while the sum is 61.

The spelling of 49358663665 in words is "forty-nine billion, three hundred fifty-eight million, six hundred sixty-three thousand, six hundred sixty-five".