1693696483840 has 80 divisors (see below), whose sum is σ = 4077753661080. Its totient is φ = 674667233280.

The previous prime is 1693696483823. The next prime is 1693696483859. The reversal of 1693696483840 is 483846963961.

It can be written as a sum of positive squares in 4 ways, for example, as 1687879065856 + 5817417984 = 1299184^2 + 76272^2 .

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×1693696483840² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 755655 + ... + 1989574.

Almost surely, 2^{1693696483840} is an apocalyptic number.

1693696483840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1693696483840 is an abundant number, since it is smaller than the sum of its proper divisors (2384057177240).

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

1693696483840 is an equidigital number, since it uses as much as digits as its factorization.

1693696483840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2745493 (or 2745477 counting only the distinct ones).

The product of its (nonzero) digits is 161243136, while the sum is 67.

The spelling of 1693696483840 in words is "one trillion, six hundred ninety-three billion, six hundred ninety-six million, four hundred eighty-three thousand, eight hundred forty".