2147445801908 has 24 divisors (see below), whose sum is σ = 4151563812480. Its totient is φ = 963755881920.

The previous prime is 2147445801901. The next prime is 2147445802003. The reversal of 2147445801908 is 8091085447412.

It is a super-2 number, since 2×2147445801908² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2147445801908.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2147445801901) 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, 308892641 + ... + 308899592.

It is an arithmetic number, because the mean of its divisors is an integer number (172981825520).

Almost surely, 2^{2147445801908} is an apocalyptic number.

It is an amenable number.

2147445801908 is a deficient number, since it is larger than the sum of its proper divisors (2004118010572).

2147445801908 is a wasteful number, since it uses less digits than its factorization.

2147445801908 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 617792327 (or 617792325 counting only the distinct ones).

The product of its (nonzero) digits is 2580480, while the sum is 53.

The spelling of 2147445801908 in words is "two trillion, one hundred forty-seven billion, four hundred forty-five million, eight hundred one thousand, nine hundred eight".