29959478521045 has 16 divisors (see below), whose sum is σ = 35974774736640. Its totient is φ = 23951983472064.

The previous prime is 29959478521033. The next prime is 29959478521067. The reversal of 29959478521045 is 54012587495992.

It is a cyclic number.

It is not a de Polignac number, because 29959478521045 - 2¹¹ = 29959478518997 is a prime.

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, 427243327 + ... + 427313443.

It is an arithmetic number, because the mean of its divisors is an integer number (2248423421040).

Almost surely, 2^{29959478521045} is an apocalyptic number.

It is an amenable number.

29959478521045 is a deficient number, since it is larger than the sum of its proper divisors (6015296215595).

29959478521045 is a wasteful number, since it uses less digits than its factorization.

29959478521045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124524.

The product of its (nonzero) digits is 326592000, while the sum is 70.

The spelling of 29959478521045 in words is "twenty-nine trillion, nine hundred fifty-nine billion, four hundred seventy-eight million, five hundred twenty-one thousand, forty-five".