1690479599802 has 128 divisors (see below), whose sum is σ = 3940706101248. Its totient is φ = 473498438400.

The previous prime is 1690479599779. The next prime is 1690479599827. The reversal of 1690479599802 is 2089959740961.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 531428652 + ... + 531431832.

It is an arithmetic number, because the mean of its divisors is an integer number (30786766416).

Almost surely, 2^{1690479599802} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1690479599802, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1970353050624).

1690479599802 is an abundant number, since it is smaller than the sum of its proper divisors (2250226501446).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1690479599802 is a wasteful number, since it uses less digits than its factorization.

1690479599802 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4404.

The product of its (nonzero) digits is 88179840, while the sum is 69.

The spelling of 1690479599802 in words is "one trillion, six hundred ninety billion, four hundred seventy-nine million, five hundred ninety-nine thousand, eight hundred two".