42797161492 has 12 divisors (see below), whose sum is σ = 74896485300. Its totient is φ = 21398165696.

The previous prime is 42797161483. The next prime is 42797161529. The reversal of 42797161492 is 29416179724.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 8558840196 + 34238321296 = 92514^2 + 185036^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 326208 + ... + 438184.

It is an arithmetic number, because the mean of its divisors is an integer number (6241373775).

Almost surely, 2^42797161492 is an apocalyptic number.

It is an amenable number.

42797161492 is a deficient number, since it is larger than the sum of its proper divisors (32099323808).

42797161492 is a wasteful number, since it uses less digits than its factorization.

42797161492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207530 (or 207528 counting only the distinct ones).

The product of its digits is 1524096, while the sum is 52.

The spelling of 42797161492 in words is "forty-two billion, seven hundred ninety-seven million, one hundred sixty-one thousand, four hundred ninety-two".