29959019781944 has 32 divisors (see below), whose sum is σ = 61501040002800. Its totient is φ = 13568574750720.

The previous prime is 29959019781871. The next prime is 29959019781949. The reversal of 29959019781944 is 44918791095992.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29959019781949) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 614494409 + ... + 614543160.

Almost surely, 2^{29959019781944} is an apocalyptic number.

It is an amenable number.

29959019781944 is an abundant number, since it is smaller than the sum of its proper divisors (31542020220856).

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

29959019781944 is a wasteful number, since it uses less digits than its factorization.

29959019781944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1229037863 (or 1229037859 counting only the distinct ones).

The product of its (nonzero) digits is 529079040, while the sum is 77.

The spelling of 29959019781944 in words is "twenty-nine trillion, nine hundred fifty-nine billion, nineteen million, seven hundred eighty-one thousand, nine hundred forty-four".