7475850369 has 45 divisors (see below), whose sum is σ = 12109143123. Its totient is φ = 4594297968.

The previous prime is 7475850367. The next prime is 7475850373. The reversal of 7475850369 is 9630585747.

The square root of 7475850369 is 86463.

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

7475850369 is a `hidden beast` number, since 7 + 4 + 75 + 8 + 503 + 69 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1105895025 + 6369955344 = 33255^2 + 79812^2 .

It is not a de Polignac number, because 7475850369 - 2¹ = 7475850367 is a prime.

It is a super-2 number, since 2×7475850369² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (7475850367) by changing a digit.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 10115802 + ... + 10116540.

Almost surely, 2^7475850369 is an apocalyptic number.

7475850369 is the 86463-rd square number.

7475850369 is the 43232-nd centered octagonal number.

It is an amenable number.

7475850369 is a deficient number, since it is larger than the sum of its proper divisors (4633292754).

7475850369 is an frugal number, since it uses more digits than its factorization.

7475850369 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1516 (or 755 counting only the distinct ones).

The product of its (nonzero) digits is 6350400, while the sum is 54.

The cubic root of 7475850369 is about 1955.3306146945.

The spelling of 7475850369 in words is "seven billion, four hundred seventy-five million, eight hundred fifty thousand, three hundred sixty-nine".