690417809001 has 32 divisors (see below), whose sum is σ = 1026029001600. Its totient is φ = 458844661440.

The previous prime is 690417808963. The next prime is 690417809009. The reversal of 690417809001 is 100908714096.

It is a happy number.

It is not a de Polignac number, because 690417809001 - 2¹⁰ = 690417807977 is a prime.

It is not an unprimeable number, because it can be changed into a prime (690417809009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 72970411 + ... + 72979871.

It is an arithmetic number, because the mean of its divisors is an integer number (32063406300).

Almost surely, 2^690417809001 is an apocalyptic number.

It is an amenable number.

690417809001 is a deficient number, since it is larger than the sum of its proper divisors (335611192599).

690417809001 is a wasteful number, since it uses less digits than its factorization.

690417809001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17606 (or 17600 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 45.

The spelling of 690417809001 in words is "six hundred ninety billion, four hundred seventeen million, eight hundred nine thousand, one".