43369376604849 has 99 divisors (see below), whose sum is σ = 66780101298657. Its totient is φ = 28165050302400.

The previous prime is 43369376604823. The next prime is 43369376604857. The reversal of 43369376604849 is 94840667396334.

The square root of 43369376604849 is 6585543.

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

43369376604849 is a `hidden beast` number, since 4 + 3 + 3 + 6 + 9 + 3 + 7 + 6 + 604 + 8 + 4 + 9 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 2649918412449 + 40719458192400 = 1627857^2 + 6381180^2 .

It is not a de Polignac number, because 43369376604849 - 2⁵ = 43369376604817 is a prime.

It is not an unprimeable number, because it can be changed into a prime (43369376604809) by changing a digit.

It is a polite number, since it can be written in 98 ways as a sum of consecutive naturals, for example, 65611764579 + ... + 65611765239.

Almost surely, 2^{43369376604849} is an apocalyptic number.

43369376604849 is the 6585543-rd square number.

43369376604849 is the 3292772-nd centered octagonal number.

It is an amenable number.

43369376604849 is a deficient number, since it is larger than the sum of its proper divisors (23410724693808).

43369376604849 is an frugal number, since it uses more digits than its factorization.

43369376604849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1434 (or 705 counting only the distinct ones).

The product of its (nonzero) digits is 1693052928, while the sum is 72.

The spelling of 43369376604849 in words is "forty-three trillion, three hundred sixty-nine billion, three hundred seventy-six million, six hundred four thousand, eight hundred forty-nine".