49797143644 has 48 divisors (see below), whose sum is σ = 90946437120. Its totient is φ = 23836438080.

The previous prime is 49797143633. The next prime is 49797143651. The reversal of 49797143644 is 44634179794.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11657229 + ... + 11661499.

It is an arithmetic number, because the mean of its divisors is an integer number (1894717440).

Almost surely, 2^49797143644 is an apocalyptic number.

It is an amenable number.

49797143644 is a deficient number, since it is larger than the sum of its proper divisors (41149293476).

49797143644 is a wasteful number, since it uses less digits than its factorization.

49797143644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5650 (or 5648 counting only the distinct ones).

The product of its digits is 18289152, while the sum is 58.

The spelling of 49797143644 in words is "forty-nine billion, seven hundred ninety-seven million, one hundred forty-three thousand, six hundred forty-four".