999698000001 has 4 divisors (see below), whose sum is σ = 1332930666672. Its totient is φ = 666465333332.

The previous prime is 999697999987. The next prime is 999698000071. The reversal of 999698000001 is 100000896999.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 999698000001 - 2¹⁷ = 999697868929 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 999697999899 and 999697999908.

It is not an unprimeable number, because it can be changed into a prime (999698000071) 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, 166616333331 + ... + 166616333336.

It is an arithmetic number, because the mean of its divisors is an integer number (333232666668).

Almost surely, 2^999698000001 is an apocalyptic number.

It is an amenable number.

999698000001 is a deficient number, since it is larger than the sum of its proper divisors (333232666671).

999698000001 is a wasteful number, since it uses less digits than its factorization.

999698000001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 333232666670.

The product of its (nonzero) digits is 314928, while the sum is 51.

The spelling of 999698000001 in words is "nine hundred ninety-nine billion, six hundred ninety-eight million, one", and thus it is an aban number.