464532109 has 2 divisors, whose sum is σ = 464532110. Its totient is φ = 464532108.

The previous prime is 464532049. The next prime is 464532113. The reversal of 464532109 is 901235464.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 394022500 + 70509609 = 19850^2 + 8397^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-464532109 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (464532209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 232266054 + 232266055.

It is an arithmetic number, because the mean of its divisors is an integer number (232266055).

Almost surely, 2^464532109 is an apocalyptic number.

It is an amenable number.

464532109 is a deficient number, since it is larger than the sum of its proper divisors (1).

464532109 is an equidigital number, since it uses as much as digits as its factorization.

464532109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 25920, while the sum is 34.

The square root of 464532109 is about 21553.0069595869. The cubic root of 464532109 is about 774.4711530456.

The spelling of 464532109 in words is "four hundred sixty-four million, five hundred thirty-two thousand, one hundred nine".