662428433 has 2 divisors, whose sum is σ = 662428434. Its totient is φ = 662428432.

The previous prime is 662428363. The next prime is 662428439. The reversal of 662428433 is 334824266.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 587917009 + 74511424 = 24247^2 + 8632^2 .

It is a cyclic number.

It is not a de Polignac number, because 662428433 - 2⁸ = 662428177 is a prime.

It is a super-2 number, since 2×662428433² = 877622857693670978, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (662428439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 331214216 + 331214217.

It is an arithmetic number, because the mean of its divisors is an integer number (331214217).

Almost surely, 2^662428433 is an apocalyptic number.

It is an amenable number.

662428433 is a deficient number, since it is larger than the sum of its proper divisors (1).

662428433 is an equidigital number, since it uses as much as digits as its factorization.

662428433 is an evil number, because the sum of its binary digits is even.

The product of its digits is 165888, while the sum is 38.

The square root of 662428433 is about 25737.6850746138. The cubic root of 662428433 is about 871.7253088044.

The spelling of 662428433 in words is "six hundred sixty-two million, four hundred twenty-eight thousand, four hundred thirty-three".