7534775949 has 4 divisors (see below), whose sum is σ = 10046367936. Its totient is φ = 5023183964.

The previous prime is 7534775947. The next prime is 7534775977. The reversal of 7534775949 is 9495774357.

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 a cyclic number.

It is not a de Polignac number, because 7534775949 - 2¹ = 7534775947 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 7534775892 and 7534775901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7534775947) 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, 1255795989 + ... + 1255795994.

It is an arithmetic number, because the mean of its divisors is an integer number (2511591984).

Almost surely, 2^7534775949 is an apocalyptic number.

It is an amenable number.

7534775949 is a deficient number, since it is larger than the sum of its proper divisors (2511591987).

7534775949 is a wasteful number, since it uses less digits than its factorization.

7534775949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2511591986.

The product of its digits is 33339600, while the sum is 60.

The square root of 7534775949 is about 86803.0872089236. The cubic root of 7534775949 is about 1960.4545618095.

The spelling of 7534775949 in words is "seven billion, five hundred thirty-four million, seven hundred seventy-five thousand, nine hundred forty-nine".