1464487117 has 4 divisors (see below), whose sum is σ = 1550633436. Its totient is φ = 1378340800.

The previous prime is 1464487103. The next prime is 1464487223. The reversal of 1464487117 is 7117844641.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 544335561 + 920151556 = 23331^2 + 30334^2 .

It is a cyclic number.

It is not a de Polignac number, because 1464487117 - 2²³ = 1456098509 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 (1464487517) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43073134 + ... + 43073167.

It is an arithmetic number, because the mean of its divisors is an integer number (387658359).

Almost surely, 2^1464487117 is an apocalyptic number.

1464487117 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

1464487117 is a deficient number, since it is larger than the sum of its proper divisors (86146319).

1464487117 is an equidigital number, since it uses as much as digits as its factorization.

1464487117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86146318.

The product of its digits is 150528, while the sum is 43.

The square root of 1464487117 is about 38268.6179133765. The cubic root of 1464487117 is about 1135.6081966155.

It can be divided in two parts, 14644 and 87117, that added together give a square (101761 = 319²).

The spelling of 1464487117 in words is "one billion, four hundred sixty-four million, four hundred eighty-seven thousand, one hundred seventeen".