1464431677 has 8 divisors (see below), whose sum is σ = 1478763000. Its totient is φ = 1450116864.

The previous prime is 1464431641. The next prime is 1464431713. The reversal of 1464431677 is 7761344641.

It is an interprime number because it is at equal distance from previous prime (1464431641) and next prime (1464431713).

It can be written as a sum of positive squares in 4 ways, for example, as 218271076 + 1246160601 = 14774^2 + 35301^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1464431677 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1464431627) 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 in 7 ways as a sum of consecutive naturals, for example, 247449 + ... + 253297.

It is an arithmetic number, because the mean of its divisors is an integer number (184845375).

Almost surely, 2^1464431677 is an apocalyptic number.

It is an amenable number.

1464431677 is a deficient number, since it is larger than the sum of its proper divisors (14331323).

1464431677 is a wasteful number, since it uses less digits than its factorization.

1464431677 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8255.

The product of its digits is 338688, while the sum is 43.

The square root of 1464431677 is about 38267.8935532125. The cubic root of 1464431677 is about 1135.5938664762.

The spelling of 1464431677 in words is "one billion, four hundred sixty-four million, four hundred thirty-one thousand, six hundred seventy-seven".