999452662409701 has 4 divisors (see below), whose sum is σ = 999452741445004. Its totient is φ = 999452583374400.

The previous prime is 999452662409671. The next prime is 999452662409767. The reversal of 999452662409701 is 107904266254999.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 639455127502500 + 359997534907201 = 25287450^2 + 18973601^2 .

It is a 3-Lehmer number, since φ(999452662409701) divides (999452662409701-1)³.

It is a cyclic number.

It is not a de Polignac number, because 999452662409701 - 2⁹ = 999452662409189 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 (999452662409791) 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, 15807060 + ... + 47421181.

It is an arithmetic number, because the mean of its divisors is an integer number (249863185361251).

It is a Poulet number, since it divides 2^{999452662409700}-1.

Almost surely, 2^{999452662409701} is an apocalyptic number.

999452662409701 is the 15807061-st decagonal number.

It is an amenable number.

999452662409701 is a deficient number, since it is larger than the sum of its proper divisors (79035303).

999452662409701 is a wasteful number, since it uses less digits than its factorization.

999452662409701 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79035302.

The product of its (nonzero) digits is 529079040, while the sum is 73.

The spelling of 999452662409701 in words is "nine hundred ninety-nine trillion, four hundred fifty-two billion, six hundred sixty-two million, four hundred nine thousand, seven hundred one".