1693481472 has 80 divisors (see below), whose sum is σ = 5012863680. Its totient is φ = 564489216.

The previous prime is 1693481437. The next prime is 1693481483. The reversal of 1693481472 is 2741843961.

1693481472 is a `hidden beast` number, since 16 + 93 + 4 + 81 + 472 = 666.

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, 47428 + ... + 75075.

It is an arithmetic number, because the mean of its divisors is an integer number (62660796).

Almost surely, 2^1693481472 is an apocalyptic number.

1693481472 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1693481472 is an abundant number, since it is smaller than the sum of its proper divisors (3319382208).

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

1693481472 is an equidigital number, since it uses as much as digits as its factorization.

1693481472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122530 (or 122508 counting only the distinct ones).

The product of its digits is 290304, while the sum is 45.

The square root of 1693481472 is about 41151.9315707052. The cubic root of 1693481472 is about 1191.9557961477.

It can be divided in two parts, 169348 and 1472, that added together give a triangular number (170820 = T₅₈₄).

The spelling of 1693481472 in words is "one billion, six hundred ninety-three million, four hundred eighty-one thousand, four hundred seventy-two".