463939789 has 2 divisors, whose sum is σ = 463939790. Its totient is φ = 463939788.

The previous prime is 463939759. The next prime is 463939807. The reversal of 463939789 is 987939364.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 273637764 + 190302025 = 16542^2 + 13795^2 .

It is a cyclic number.

It is not a de Polignac number, because 463939789 - 2²⁵ = 430385357 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (463939759) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 231969894 + 231969895.

It is an arithmetic number, because the mean of its divisors is an integer number (231969895).

Almost surely, 2^463939789 is an apocalyptic number.

It is an amenable number.

463939789 is a deficient number, since it is larger than the sum of its proper divisors (1).

463939789 is an equidigital number, since it uses as much as digits as its factorization.

463939789 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8817984, while the sum is 58.

The square root of 463939789 is about 21539.2615704439. The cubic root of 463939789 is about 774.1418397009.

The spelling of 463939789 in words is "four hundred sixty-three million, nine hundred thirty-nine thousand, seven hundred eighty-nine".