27145921002 has 8 divisors (see below), whose sum is σ = 54291842016. Its totient is φ = 9048640332.

The previous prime is 27145920889. The next prime is 27145921003. The reversal of 27145921002 is 20012954172.

It is a sphenic number, since it is the product of 3 distinct primes.

27145921002 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (27145921003) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2262160078 + ... + 2262160089.

It is an arithmetic number, because the mean of its divisors is an integer number (6786480252).

Almost surely, 2^27145921002 is an apocalyptic number.

27145921002 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

27145921002 is a wasteful number, since it uses less digits than its factorization.

27145921002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4524320172.

The product of its (nonzero) digits is 10080, while the sum is 33.

The spelling of 27145921002 in words is "twenty-seven billion, one hundred forty-five million, nine hundred twenty-one thousand, two".