42899522884 has 9 divisors (see below), whose sum is σ = 75074889981. Its totient is φ = 21449554320.

The previous prime is 42899522849. The next prime is 42899522893. The reversal of 42899522884 is 48822599824.

The square root of 42899522884 is 207122.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 3027420484 + 39872102400 = 55022^2 + 199680^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 362464 + ... + 466024.

Almost surely, 2^42899522884 is an apocalyptic number.

42899522884 is the 207122-nd square number.

It is an amenable number.

42899522884 is a deficient number, since it is larger than the sum of its proper divisors (32175367097).

42899522884 is an frugal number, since it uses more digits than its factorization.

42899522884 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207126 (or 103563 counting only the distinct ones).

The product of its digits is 26542080, while the sum is 61.

The spelling of 42899522884 in words is "forty-two billion, eight hundred ninety-nine million, five hundred twenty-two thousand, eight hundred eighty-four".