1690009368901 has 8 divisors (see below), whose sum is σ = 1931447825280. Its totient is φ = 1448573049168.

The previous prime is 1690009368797. The next prime is 1690009368907. The reversal of 1690009368901 is 1098639000961.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1690009368901 - 2⁹ = 1690009368389 is a prime.

It is a super-2 number, since 2×1690009368901² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1690009368907) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1900695 + ... + 2644363.

It is an arithmetic number, because the mean of its divisors is an integer number (241430978160).

Almost surely, 2^{1690009368901} is an apocalyptic number.

It is an amenable number.

1690009368901 is a deficient number, since it is larger than the sum of its proper divisors (241438456379).

1690009368901 is an equidigital number, since it uses as much as digits as its factorization.

1690009368901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1068323.

The product of its (nonzero) digits is 629856, while the sum is 52.

The spelling of 1690009368901 in words is "one trillion, six hundred ninety billion, nine million, three hundred sixty-eight thousand, nine hundred one".