3942500845 has 8 divisors (see below), whose sum is σ = 4894139160. Its totient is φ = 3045241920.

The previous prime is 3942500843. The next prime is 3942500867. The reversal of 3942500845 is 5480052493.

It can be written as a sum of positive squares in 4 ways, for example, as 98128836 + 3844372009 = 9906^2 + 62003^2 .

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

It is not a de Polignac number, because 3942500845 - 2¹ = 3942500843 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3942500798 and 3942500807.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3942500843) 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, 13594686 + ... + 13594975.

It is an arithmetic number, because the mean of its divisors is an integer number (611767395).

Almost surely, 2^3942500845 is an apocalyptic number.

It is an amenable number.

3942500845 is a deficient number, since it is larger than the sum of its proper divisors (951638315).

3942500845 is a wasteful number, since it uses less digits than its factorization.

3942500845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27189695.

The product of its (nonzero) digits is 172800, while the sum is 40.

The square root of 3942500845 is about 62789.3370326523. The cubic root of 3942500845 is about 1579.7581273985.

The spelling of 3942500845 in words is "three billion, nine hundred forty-two million, five hundred thousand, eight hundred forty-five".