2148696655 has 8 divisors (see below), whose sum is σ = 2946784032. Its totient is φ = 1473391968.

The previous prime is 2148696637. The next prime is 2148696661. The reversal of 2148696655 is 5566968412.

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

It is a cyclic number.

It is not a de Polignac number, because 2148696655 - 2¹⁷ = 2148565583 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30695632 + ... + 30695701.

It is an arithmetic number, because the mean of its divisors is an integer number (368348004).

Almost surely, 2^2148696655 is an apocalyptic number.

2148696655 is a deficient number, since it is larger than the sum of its proper divisors (798087377).

2148696655 is an equidigital number, since it uses as much as digits as its factorization.

2148696655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61391345.

The product of its digits is 3110400, while the sum is 52.

The square root of 2148696655 is about 46354.0360162953. The cubic root of 2148696655 is about 1290.4020250085.

The spelling of 2148696655 in words is "two billion, one hundred forty-eight million, six hundred ninety-six thousand, six hundred fifty-five".