499423476601 has 9 divisors (see below), whose sum is σ = 580967757999. Its totient is φ = 428073025464.

The previous prime is 499423476557. The next prime is 499423476611. The reversal of 499423476601 is 106674324994.

The square root of 499423476601 is 706699.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 396944101225 + 102479375376 = 630035^2 + 320124^2 .

It is not a de Polignac number, because 499423476601 - 2¹³ = 499423468409 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (499423476611) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 4896415 + ... + 4997371.

It is an arithmetic number, because the mean of its divisors is an integer number (64551973111).

Almost surely, 2^499423476601 is an apocalyptic number.

499423476601 is the 706699-th square number.

499423476601 is the 353350-th centered octagonal number.

It is an amenable number.

499423476601 is a deficient number, since it is larger than the sum of its proper divisors (81544281398).

499423476601 is an frugal number, since it uses more digits than its factorization.

499423476601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201928 (or 100964 counting only the distinct ones).

The product of its (nonzero) digits is 7838208, while the sum is 55.

The spelling of 499423476601 in words is "four hundred ninety-nine billion, four hundred twenty-three million, four hundred seventy-six thousand, six hundred one".