618428351 has 2 divisors, whose sum is σ = 618428352. Its totient is φ = 618428350.

The previous prime is 618428341. The next prime is 618428381. The reversal of 618428351 is 153824816.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 618428351 - 2⁶ = 618428287 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (618428341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 309214175 + 309214176.

It is an arithmetic number, because the mean of its divisors is an integer number (309214176).

Almost surely, 2^618428351 is an apocalyptic number.

618428351 is a deficient number, since it is larger than the sum of its proper divisors (1).

618428351 is an equidigital number, since it uses as much as digits as its factorization.

618428351 is an evil number, because the sum of its binary digits is even.

The product of its digits is 46080, while the sum is 38.

The square root of 618428351 is about 24868.2196990456. The cubic root of 618428351 is about 851.9807789348.

The spelling of 618428351 in words is "six hundred eighteen million, four hundred twenty-eight thousand, three hundred fifty-one".