64632119 has 2 divisors, whose sum is σ = 64632120. Its totient is φ = 64632118.

The previous prime is 64632109. The next prime is 64632131. The reversal of 64632119 is 91123646.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 64632119 - 2¹² = 64628023 is a prime.

It is a super-2 number, since 2×64632119² = 8354621612860322, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (64632109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32316059 + 32316060.

It is an arithmetic number, because the mean of its divisors is an integer number (32316060).

Almost surely, 2^64632119 is an apocalyptic number.

64632119 is a deficient number, since it is larger than the sum of its proper divisors (1).

64632119 is an equidigital number, since it uses as much as digits as its factorization.

64632119 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7776, while the sum is 32.

The square root of 64632119 is about 8039.4103639508. The cubic root of 64632119 is about 401.3126025582.

The spelling of 64632119 in words is "sixty-four million, six hundred thirty-two thousand, one hundred nineteen".