2721401063 has 4 divisors (see below), whose sum is σ = 2721839400. Its totient is φ = 2720962728.

The previous prime is 2721401051. The next prime is 2721401069. The reversal of 2721401063 is 3601041272.

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

It is a cyclic number.

It is not a de Polignac number, because 2721401063 - 2²² = 2717206759 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 (2721401069) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 209720 + ... + 222317.

It is an arithmetic number, because the mean of its divisors is an integer number (680459850).

Almost surely, 2^2721401063 is an apocalyptic number.

2721401063 is a deficient number, since it is larger than the sum of its proper divisors (438337).

2721401063 is an equidigital number, since it uses as much as digits as its factorization.

2721401063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 438336.

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 2721401063 is about 52167.0495907139. The cubic root of 2721401063 is about 1396.1460438324.

The spelling of 2721401063 in words is "two billion, seven hundred twenty-one million, four hundred one thousand, sixty-three".