746198639 has 2 divisors, whose sum is σ = 746198640. Its totient is φ = 746198638.

The previous prime is 746198617. The next prime is 746198669. The reversal of 746198639 is 936891647.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 746198639 - 2¹⁶ = 746133103 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (746198669) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 373099319 + 373099320.

It is an arithmetic number, because the mean of its divisors is an integer number (373099320).

Almost surely, 2^746198639 is an apocalyptic number.

746198639 is a deficient number, since it is larger than the sum of its proper divisors (1).

746198639 is an equidigital number, since it uses as much as digits as its factorization.

746198639 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1959552, while the sum is 53.

The square root of 746198639 is about 27316.6366707177. The cubic root of 746198639 is about 907.0226887365.

The spelling of 746198639 in words is "seven hundred forty-six million, one hundred ninety-eight thousand, six hundred thirty-nine".