29798027667142 has 16 divisors (see below), whose sum is σ = 51084126630432. Its totient is φ = 12770134914240.

The previous prime is 29798027667131. The next prime is 29798027667143. The reversal of 29798027667142 is 24176672089792.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29798027667143) 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, 36951159 + ... + 37748962.

It is an arithmetic number, because the mean of its divisors is an integer number (3192757914402).

Almost surely, 2^{29798027667142} is an apocalyptic number.

29798027667142 is a deficient number, since it is larger than the sum of its proper divisors (21286098963290).

29798027667142 is a wasteful number, since it uses less digits than its factorization.

29798027667142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74728623.

The product of its (nonzero) digits is 256048128, while the sum is 70.

The spelling of 29798027667142 in words is "twenty-nine trillion, seven hundred ninety-eight billion, twenty-seven million, six hundred sixty-seven thousand, one hundred forty-two".