7542738469 has 4 divisors (see below), whose sum is σ = 8620272544. Its totient is φ = 6465204396.

The previous prime is 7542738457. The next prime is 7542738491. The reversal of 7542738469 is 9648372457.

7542738469 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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.

It is not a de Polignac number, because 7542738469 - 2²⁷ = 7408520741 is a prime.

It is a super-2 number, since 2×7542738469² (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 (7542738409) 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, 538767027 + ... + 538767040.

It is an arithmetic number, because the mean of its divisors is an integer number (2155068136).

Almost surely, 2^7542738469 is an apocalyptic number.

It is an amenable number.

7542738469 is a deficient number, since it is larger than the sum of its proper divisors (1077534075).

7542738469 is a wasteful number, since it uses less digits than its factorization.

7542738469 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1077534074.

The product of its digits is 10160640, while the sum is 55.

The square root of 7542738469 is about 86848.9405174295. The cubic root of 7542738469 is about 1961.1449014299.

The spelling of 7542738469 in words is "seven billion, five hundred forty-two million, seven hundred thirty-eight thousand, four hundred sixty-nine".