29853486154 has 4 divisors (see below), whose sum is σ = 44780229234. Its totient is φ = 14926743076.

The previous prime is 29853486121. The next prime is 29853486163. The reversal of 29853486154 is 45168435892.

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., 28350140625 + 1503345529 = 168375^2 + 38773^2 .

It is a junction number, because it is equal to n+sod(n) for n = 29853486095 and 29853486104.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7463371537 + ... + 7463371540.

Almost surely, 2^29853486154 is an apocalyptic number.

29853486154 is a deficient number, since it is larger than the sum of its proper divisors (14926743080).

29853486154 is a wasteful number, since it uses less digits than its factorization.

29853486154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14926743079.

The product of its digits is 8294400, while the sum is 55.

The spelling of 29853486154 in words is "twenty-nine billion, eight hundred fifty-three million, four hundred eighty-six thousand, one hundred fifty-four".