2649646154 has 8 divisors (see below), whose sum is σ = 4066898880. Its totient is φ = 1294013196.

The previous prime is 2649646147. The next prime is 2649646187. The reversal of 2649646154 is 4516469462.

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

It is a junction number, because it is equal to n+sod(n) for n = 2649646099 and 2649646108.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15404834 + ... + 15405005.

It is an arithmetic number, because the mean of its divisors is an integer number (508362360).

Almost surely, 2^2649646154 is an apocalyptic number.

2649646154 is a deficient number, since it is larger than the sum of its proper divisors (1417252726).

2649646154 is a wasteful number, since it uses less digits than its factorization.

2649646154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30809884.

The product of its digits is 1244160, while the sum is 47.

The square root of 2649646154 is about 51474.7137340267. The cubic root of 2649646154 is about 1383.7659082202.

The spelling of 2649646154 in words is "two billion, six hundred forty-nine million, six hundred forty-six thousand, one hundred fifty-four".