29927202145 has 8 divisors (see below), whose sum is σ = 35913654504. Its totient is φ = 23941087104.

The previous prime is 29927202143. The next prime is 29927202163. The reversal of 29927202145 is 54120272992.

It can be written as a sum of positive squares in 4 ways, for example, as 882862369 + 29044339776 = 29713^2 + 170424^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 29927202145 - 2¹ = 29927202143 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (29927202143) 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, 194947 + ... + 312823.

It is an arithmetic number, because the mean of its divisors is an integer number (4489206813).

Almost surely, 2^29927202145 is an apocalyptic number.

It is an amenable number.

29927202145 is a deficient number, since it is larger than the sum of its proper divisors (5986452359).

29927202145 is a wasteful number, since it uses less digits than its factorization.

29927202145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168659.

The product of its (nonzero) digits is 181440, while the sum is 43.

The spelling of 29927202145 in words is "twenty-nine billion, nine hundred twenty-seven million, two hundred two thousand, one hundred forty-five".