15935449005 has 160 divisors (see below), whose sum is σ = 33348481920. Its totient is φ = 7219134720.

The previous prime is 15935449003. The next prime is 15935449027. The reversal of 15935449005 is 50094453951.

15935449005 is a `hidden beast` number, since 1 + 593 + 54 + 4 + 9 + 0 + 0 + 5 = 666.

It is not a de Polignac number, because 15935449005 - 2¹ = 15935449003 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15935449003) by changing a digit.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 68392369 + ... + 68392601.

It is an arithmetic number, because the mean of its divisors is an integer number (208428012).

Almost surely, 2^15935449005 is an apocalyptic number.

15935449005 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

15935449005 is an abundant number, since it is smaller than the sum of its proper divisors (17413032915).

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

15935449005 is an equidigital number, since it uses as much as digits as its factorization.

15935449005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 486 (or 459 counting only the distinct ones).

The product of its (nonzero) digits is 486000, while the sum is 45.

The spelling of 15935449005 in words is "fifteen billion, nine hundred thirty-five million, four hundred forty-nine thousand, five".