499622071442 has 18 divisors (see below), whose sum is σ = 811537431093. Its totient is φ = 230588804472.

The previous prime is 499622071427. The next prime is 499622071447. The reversal of 499622071442 is 244170226994.

It can be written as a sum of positive squares in 2 ways, for example, as 427191652801 + 72430418641 = 653599^2 + 269129^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=499811.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (499622071447) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 12975863 + ... + 13014309.

Almost surely, 2^499622071442 is an apocalyptic number.

499622071442 is a deficient number, since it is larger than the sum of its proper divisors (311915359651).

499622071442 is an frugal number, since it uses more digits than its factorization.

499622071442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76922 (or 38462 counting only the distinct ones).

The product of its (nonzero) digits is 1741824, while the sum is 50.

Multiplying 499622071442 by its sum of digits (50), we get a square (24981103572100 = 4998110²).

The spelling of 499622071442 in words is "four hundred ninety-nine billion, six hundred twenty-two million, seventy-one thousand, four hundred forty-two".