49933663974 has 64 divisors (see below), whose sum is σ = 114863616000. Its totient is φ = 16062572160.

The previous prime is 49933663973. The next prime is 49933664023. The reversal of 49933663974 is 47936633994.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49933663973) 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 31 ways as a sum of consecutive naturals, for example, 559422 + ... + 642510.

It is an arithmetic number, because the mean of its divisors is an integer number (1794744000).

Almost surely, 2^49933663974 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 49933663974, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57431808000).

49933663974 is an abundant number, since it is smaller than the sum of its proper divisors (64929952026).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

49933663974 is a wasteful number, since it uses less digits than its factorization.

49933663974 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83490 (or 83484 counting only the distinct ones).

The product of its digits is 79361856, while the sum is 63.

The spelling of 49933663974 in words is "forty-nine billion, nine hundred thirty-three million, six hundred sixty-three thousand, nine hundred seventy-four".