39050897769 has 63 divisors (see below), whose sum is σ = 63512633127. Its totient is φ = 23988637296.

The previous prime is 39050897731. The next prime is 39050897773. The reversal of 39050897769 is 96779805093.

The square root of 39050897769 is 197613.

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

39050897769 is a `hidden beast` number, since 39 + 0 + 508 + 97 + 7 + 6 + 9 = 666.

It can be written as a sum of positive squares in only one way, i.e., 5776760025 + 33274137744 = 76005^2 + 182412^2 .

It is not a de Polignac number, because 39050897769 - 2⁹ = 39050897257 is a prime.

It is a super-2 number, since 2×39050897769² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (39050897729) by changing a digit.

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 62 ways as a sum of consecutive naturals, for example, 69361882 + ... + 69362444.

Almost surely, 2^39050897769 is an apocalyptic number.

39050897769 is a gapful number since it is divisible by the number (39) formed by its first and last digit.

39050897769 is the 197613-rd square number.

39050897769 is the 98807-th centered octagonal number.

It is an amenable number.

39050897769 is a deficient number, since it is larger than the sum of its proper divisors (24461735358).

39050897769 is an frugal number, since it uses more digits than its factorization.

39050897769 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1170 (or 579 counting only the distinct ones).

The product of its (nonzero) digits is 25719120, while the sum is 63.

The spelling of 39050897769 in words is "thirty-nine billion, fifty million, eight hundred ninety-seven thousand, seven hundred sixty-nine".