2047145921804 has 12 divisors (see below), whose sum is σ = 3619438408824. Its totient is φ = 1013020662144.

The previous prime is 2047145921791. The next prime is 2047145921893. The reversal of 2047145921804 is 4081295417402.

It is a super-2 number, since 2×2047145921804² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2638074254 + ... + 2638075029.

It is an arithmetic number, because the mean of its divisors is an integer number (301619867402).

Almost surely, 2^{2047145921804} is an apocalyptic number.

It is an amenable number.

2047145921804 is a deficient number, since it is larger than the sum of its proper divisors (1572292487020).

2047145921804 is a wasteful number, since it uses less digits than its factorization.

2047145921804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5276149384 (or 5276149382 counting only the distinct ones).

The product of its (nonzero) digits is 645120, while the sum is 47.

The spelling of 2047145921804 in words is "two trillion, forty-seven billion, one hundred forty-five million, nine hundred twenty-one thousand, eight hundred four".