7562648397 has 4 divisors (see below), whose sum is σ = 10083531200. Its totient is φ = 5041765596.

The previous prime is 7562648393. The next prime is 7562648417. The reversal of 7562648397 is 7938462657.

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 7562648397 - 2² = 7562648393 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7562648393) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1260441397 + ... + 1260441402.

It is an arithmetic number, because the mean of its divisors is an integer number (2520882800).

Almost surely, 2^7562648397 is an apocalyptic number.

It is an amenable number.

7562648397 is a deficient number, since it is larger than the sum of its proper divisors (2520882803).

7562648397 is a wasteful number, since it uses less digits than its factorization.

7562648397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2520882802.

The product of its digits is 15240960, while the sum is 57.

The square root of 7562648397 is about 86963.4888732047. The cubic root of 7562648397 is about 1962.8689414251.

The spelling of 7562648397 in words is "seven billion, five hundred sixty-two million, six hundred forty-eight thousand, three hundred ninety-seven".