2042908843545 has 24 divisors (see below), whose sum is σ = 3541113381312. Its totient is φ = 1089529418400.

The previous prime is 2042908843541. The next prime is 2042908843597. The reversal of 2042908843545 is 5453488092402.

2042908843545 is a `hidden beast` number, since 2 + 0 + 4 + 2 + 90 + 8 + 8 + 4 + 3 + 545 = 666.

It is not a de Polignac number, because 2042908843545 - 2² = 2042908843541 is a prime.

It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 2042908843491 and 2042908843500.

It is not an unprimeable number, because it can be changed into a prime (2042908843541) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1937110 + ... + 2799680.

It is an arithmetic number, because the mean of its divisors is an integer number (147546390888).

Almost surely, 2^{2042908843545} is an apocalyptic number.

It is an amenable number.

2042908843545 is a deficient number, since it is larger than the sum of its proper divisors (1498204537767).

2042908843545 is a wasteful number, since it uses less digits than its factorization.

2042908843545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 915213 (or 915210 counting only the distinct ones).

The product of its (nonzero) digits is 11059200, while the sum is 54.

The spelling of 2042908843545 in words is "two trillion, forty-two billion, nine hundred eight million, eight hundred forty-three thousand, five hundred forty-five".