13670699532 has 72 divisors (see below), whose sum is σ = 39288929904. Its totient is φ = 3676151808.

The previous prime is 13670699507. The next prime is 13670699533. The reversal of 13670699532 is 23599607631.

It is a happy number.

It is a super-3 number, since 3×13670699532³ (a number of 31 digits) contains 333 as substring.

It is a hoax number, since the sum of its digits (51) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is not an unprimeable number, because it can be changed into a prime (13670699533) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 673813 + ... + 693804.

It is an arithmetic number, because the mean of its divisors is an integer number (545679582).

Almost surely, 2^13670699532 is an apocalyptic number.

13670699532 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13670699532 is an abundant number, since it is smaller than the sum of its proper divisors (25618230372).

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

13670699532 is a wasteful number, since it uses less digits than its factorization.

13670699532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1367655 (or 1367646 counting only the distinct ones).

The product of its (nonzero) digits is 1837080, while the sum is 51.

The spelling of 13670699532 in words is "thirteen billion, six hundred seventy million, six hundred ninety-nine thousand, five hundred thirty-two".