2021463013 has 4 divisors (see below), whose sum is σ = 2140372620. Its totient is φ = 1902553408.

The previous prime is 2021462999. The next prime is 2021463019. The reversal of 2021463013 is 3103641202.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3103641202 = 2 ⋅1551820601.

It can be written as a sum of positive squares in 2 ways, for example, as 1747825249 + 273637764 = 41807^2 + 16542^2 .

It is a cyclic number.

It is not a de Polignac number, because 2021463013 - 2²¹ = 2019365861 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 (2021463019) 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, 59454778 + ... + 59454811.

It is an arithmetic number, because the mean of its divisors is an integer number (535093155).

Almost surely, 2^2021463013 is an apocalyptic number.

It is an amenable number.

2021463013 is a deficient number, since it is larger than the sum of its proper divisors (118909607).

2021463013 is a wasteful number, since it uses less digits than its factorization.

2021463013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118909606.

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 2021463013 is about 44960.6829685671. The cubic root of 2021463013 is about 1264.4119735218.

The spelling of 2021463013 in words is "two billion, twenty-one million, four hundred sixty-three thousand, thirteen".