2147493178000 has 40 divisors (see below), whose sum is σ = 5192638509240. Its totient is φ = 858997270400.

The previous prime is 2147493177979. The next prime is 2147493178001. The reversal of 2147493178000 is 8713947412.

It can be written as a sum of positive squares in 4 ways, for example, as 530852131216 + 1616641046784 = 728596^2 + 1271472^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×2147493178000² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2147493178001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 536871295 + ... + 536875294.

It is an arithmetic number, because the mean of its divisors is an integer number (129815962731).

Almost surely, 2^{2147493178000} is an apocalyptic number.

2147493178000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2147493178000 is an abundant number, since it is smaller than the sum of its proper divisors (3045145331240).

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

2147493178000 is a wasteful number, since it uses less digits than its factorization.

2147493178000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1073746612 (or 1073746596 counting only the distinct ones).

The product of its (nonzero) digits is 338688, while the sum is 46.

The spelling of 2147493178000 in words is "two trillion, one hundred forty-seven billion, four hundred ninety-three million, one hundred seventy-eight thousand".