2156948303 has 6 divisors (see below), whose sum is σ = 2254806624. Its totient is φ = 2063167436.

The previous prime is 2156948273. The next prime is 2156948323. The reversal of 2156948303 is 3038496512.

It is not a de Polignac number, because 2156948303 - 2¹⁸ = 2156686159 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2156948323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2038175 + ... + 2039232.

It is an arithmetic number, because the mean of its divisors is an integer number (375801104).

Almost surely, 2^2156948303 is an apocalyptic number.

2156948303 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

2156948303 is a deficient number, since it is larger than the sum of its proper divisors (97858321).

2156948303 is an equidigital number, since it uses as much as digits as its factorization.

2156948303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4077453 (or 4077430 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 41.

The square root of 2156948303 is about 46442.9575177981. The cubic root of 2156948303 is about 1292.0517602599.

The spelling of 2156948303 in words is "two billion, one hundred fifty-six million, nine hundred forty-eight thousand, three hundred three".