487723464901 has 4 divisors (see below), whose sum is σ = 487746852012. Its totient is φ = 487700077792.

The previous prime is 487723464889. The next prime is 487723464919. The reversal of 487723464901 is 109464327784.

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 138850135876 + 348873329025 = 372626^2 + 590655^2 .

It is a cyclic number.

It is not a de Polignac number, because 487723464901 - 2⁵ = 487723464869 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 (487723464941) 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, 11662246 + ... + 11703991.

It is an arithmetic number, because the mean of its divisors is an integer number (121936713003).

Almost surely, 2^487723464901 is an apocalyptic number.

It is an amenable number.

487723464901 is a deficient number, since it is larger than the sum of its proper divisors (23387111).

487723464901 is a wasteful number, since it uses less digits than its factorization.

487723464901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23387110.

The product of its (nonzero) digits is 8128512, while the sum is 55.

The spelling of 487723464901 in words is "four hundred eighty-seven billion, seven hundred twenty-three million, four hundred sixty-four thousand, nine hundred one".