49218689942 has 8 divisors (see below), whose sum is σ = 73829852136. Its totient is φ = 24608739232.

The previous prime is 49218689941. The next prime is 49218689983. The reversal of 49218689942 is 24998681294.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49218689941) 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, 193388 + ... + 368559.

It is an arithmetic number, because the mean of its divisors is an integer number (9228731517).

Almost surely, 2^49218689942 is an apocalyptic number.

49218689942 is a deficient number, since it is larger than the sum of its proper divisors (24611162194).

49218689942 is a wasteful number, since it uses less digits than its factorization.

49218689942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 605742.

The product of its digits is 17915904, while the sum is 62.

The spelling of 49218689942 in words is "forty-nine billion, two hundred eighteen million, six hundred eighty-nine thousand, nine hundred forty-two".