2148677654 has 4 divisors (see below), whose sum is σ = 3223016484. Its totient is φ = 1074338826.

The previous prime is 2148677633. The next prime is 2148677669. The reversal of 2148677654 is 4567768412.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 537169412 + ... + 537169415.

It is an arithmetic number, because the mean of its divisors is an integer number (805754121).

Almost surely, 2^2148677654 is an apocalyptic number.

2148677654 is a deficient number, since it is larger than the sum of its proper divisors (1074338830).

2148677654 is a wasteful number, since it uses less digits than its factorization.

2148677654 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1074338829.

The product of its digits is 2257920, while the sum is 50.

The square root of 2148677654 is about 46353.8310606578. The cubic root of 2148677654 is about 1290.3982213071.

The spelling of 2148677654 in words is "two billion, one hundred forty-eight million, six hundred seventy-seven thousand, six hundred fifty-four".