7538944369 has 8 divisors (see below), whose sum is σ = 8226077760. Its totient is φ = 6852106800.

The previous prime is 7538944363. The next prime is 7538944379. The reversal of 7538944369 is 9634498357.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 7538944369 - 2¹¹ = 7538942321 is a prime.

It is a super-2 number, since 2×7538944369² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7538944363) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18877 + ... + 124234.

It is an arithmetic number, because the mean of its divisors is an integer number (1028259720).

Almost surely, 2^7538944369 is an apocalyptic number.

It is an amenable number.

7538944369 is a deficient number, since it is larger than the sum of its proper divisors (687133391).

7538944369 is a wasteful number, since it uses less digits than its factorization.

7538944369 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147911.

The product of its digits is 19595520, while the sum is 58.

The square root of 7538944369 is about 86827.0946709609. The cubic root of 7538944369 is about 1960.8160187633.

The spelling of 7538944369 in words is "seven billion, five hundred thirty-eight million, nine hundred forty-four thousand, three hundred sixty-nine".