2030002421621 has 2 divisors, whose sum is σ = 2030002421622. Its totient is φ = 2030002421620.

The previous prime is 2030002421411. The next prime is 2030002421639. The reversal of 2030002421621 is 1261242000302.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1297865499121 + 732136922500 = 1139239^2 + 855650^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2030002421621 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2030002421221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1015001210810 + 1015001210811.

It is an arithmetic number, because the mean of its divisors is an integer number (1015001210811).

Almost surely, 2^{2030002421621} is an apocalyptic number.

It is an amenable number.

2030002421621 is a deficient number, since it is larger than the sum of its proper divisors (1).

2030002421621 is an equidigital number, since it uses as much as digits as its factorization.

2030002421621 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 2030002421621 its reverse (1261242000302), we get a palindrome (3291244421923).

The spelling of 2030002421621 in words is "two trillion, thirty billion, two million, four hundred twenty-one thousand, six hundred twenty-one".