43097820492 has 18 divisors (see below), whose sum is σ = 100563259188. Its totient is φ = 14365700448.

The previous prime is 43097820457. The next prime is 43097820497. The reversal of 43097820492 is 29402879034.

It is not an unprimeable number, because it can be changed into a prime (43097820497) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 689184 + ... + 749112.

Almost surely, 2^43097820492 is an apocalyptic number.

It is an amenable number.

43097820492 is an abundant number, since it is smaller than the sum of its proper divisors (57465438696).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

43097820492 is an frugal number, since it uses more digits than its factorization.

43097820492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119865 (or 59934 counting only the distinct ones).

The product of its (nonzero) digits is 870912, while the sum is 48.

Multiplying 43097820492 by its sum of digits (48), we get a square (2068695383616 = 1438296²).

The spelling of 43097820492 in words is "forty-three billion, ninety-seven million, eight hundred twenty thousand, four hundred ninety-two".