620426002633 has 2 divisors, whose sum is σ = 620426002634. Its totient is φ = 620426002632.

The previous prime is 620426002619. The next prime is 620426002643. The reversal of 620426002633 is 336200624026.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 316882303929 + 303543698704 = 562923^2 + 550948^2 .

It is a cyclic number.

It is not a de Polignac number, because 620426002633 - 2²¹ = 620423905481 is a prime.

It is not a weakly prime, because it can be changed into another prime (620426002643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 310213001316 + 310213001317.

It is an arithmetic number, because the mean of its divisors is an integer number (310213001317).

Almost surely, 2^620426002633 is an apocalyptic number.

It is an amenable number.

620426002633 is a deficient number, since it is larger than the sum of its proper divisors (1).

620426002633 is an equidigital number, since it uses as much as digits as its factorization.

620426002633 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 62208, while the sum is 34.

Adding to 620426002633 its reverse (336200624026), we get a palindrome (956626626659).

The spelling of 620426002633 in words is "six hundred twenty billion, four hundred twenty-six million, two thousand, six hundred thirty-three".