7152820469 has 4 divisors (see below), whose sum is σ = 7172745120. Its totient is φ = 7132895820.

The previous prime is 7152820463. The next prime is 7152820487. The reversal of 7152820469 is 9640282517.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 9640282517 = 71 ⋅135778627.

It is a cyclic number.

It is not a de Polignac number, because 7152820469 - 2¹⁶ = 7152754933 is a prime.

It is a super-2 number, since 2×7152820469² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7152820463) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9961787 + ... + 9962504.

It is an arithmetic number, because the mean of its divisors is an integer number (1793186280).

Almost surely, 2^7152820469 is an apocalyptic number.

It is an amenable number.

7152820469 is a deficient number, since it is larger than the sum of its proper divisors (19924651).

7152820469 is a wasteful number, since it uses less digits than its factorization.

7152820469 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19924650.

The product of its (nonzero) digits is 241920, while the sum is 44.

The square root of 7152820469 is about 84574.3487648590. The cubic root of 7152820469 is about 1926.7518067037.

The spelling of 7152820469 in words is "seven billion, one hundred fifty-two million, eight hundred twenty thousand, four hundred sixty-nine".