2013419621 has 2 divisors, whose sum is σ = 2013419622. Its totient is φ = 2013419620.

The previous prime is 2013419593. The next prime is 2013419647. The reversal of 2013419621 is 1269143102.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1624896100 + 388523521 = 40310^2 + 19711^2 .

It is a cyclic number.

It is not a de Polignac number, because 2013419621 - 2⁶ = 2013419557 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2013419671) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1006709810 + 1006709811.

It is an arithmetic number, because the mean of its divisors is an integer number (1006709811).

Almost surely, 2^2013419621 is an apocalyptic number.

It is an amenable number.

2013419621 is a deficient number, since it is larger than the sum of its proper divisors (1).

2013419621 is an equidigital number, since it uses as much as digits as its factorization.

2013419621 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2592, while the sum is 29.

The square root of 2013419621 is about 44871.1446366147. The cubic root of 2013419621 is about 1262.7327144913.

The spelling of 2013419621 in words is "two billion, thirteen million, four hundred nineteen thousand, six hundred twenty-one".