2064621013 has 32 divisors (see below), whose sum is σ = 2691311616. Its totient is φ = 1539096768.

The previous prime is 2064621007. The next prime is 2064621023. The reversal of 2064621013 is 3101264602.

It is a cyclic number.

It is not a de Polignac number, because 2064621013 - 2²⁵ = 2031066581 is a prime.

It is a super-2 number, since 2×2064621013² = 8525319854642292338, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2064621023) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 132870 + ... + 147592.

It is an arithmetic number, because the mean of its divisors is an integer number (84103488).

Almost surely, 2^2064621013 is an apocalyptic number.

2064621013 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

2064621013 is a deficient number, since it is larger than the sum of its proper divisors (626690603).

2064621013 is a wasteful number, since it uses less digits than its factorization.

2064621013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14833.

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 2064621013 is about 45438.1008956140. The cubic root of 2064621013 is about 1273.3470340089.

Adding to 2064621013 its reverse (3101264602), we get a palindrome (5165885615).

The spelling of 2064621013 in words is "two billion, sixty-four million, six hundred twenty-one thousand, thirteen".