28914929194 has 8 divisors (see below), whose sum is σ = 43468992900. Its totient is φ = 14425264896.

The previous prime is 28914929137. The next prime is 28914929209. The reversal of 28914929194 is 49192941982.

It can be written as a sum of positive squares in 2 ways, for example, as 28850721025 + 64208169 = 169855^2 + 8013^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16098729 + ... + 16100524.

Almost surely, 2^28914929194 is an apocalyptic number.

28914929194 is a deficient number, since it is larger than the sum of its proper divisors (14554063706).

28914929194 is a wasteful number, since it uses less digits than its factorization.

28914929194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32199704.

The product of its digits is 3359232, while the sum is 58.

The spelling of 28914929194 in words is "twenty-eight billion, nine hundred fourteen million, nine hundred twenty-nine thousand, one hundred ninety-four".