29229286154 has 4 divisors (see below), whose sum is σ = 43843929234. Its totient is φ = 14614643076.

The previous prime is 29229286127. The next prime is 29229286171. The reversal of 29229286154 is 45168292292.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 15027082225 + 14202203929 = 122585^2 + 119173^2 .

It is a super-2 number, since 2×29229286154² (a number of 22 digits) contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7307321537 + ... + 7307321540.

Almost surely, 2^29229286154 is an apocalyptic number.

29229286154 is a deficient number, since it is larger than the sum of its proper divisors (14614643080).

29229286154 is a wasteful number, since it uses less digits than its factorization.

29229286154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14614643079.

The product of its digits is 1244160, while the sum is 50.

The spelling of 29229286154 in words is "twenty-nine billion, two hundred twenty-nine million, two hundred eighty-six thousand, one hundred fifty-four".