7542617664513 has 8 divisors (see below), whose sum is σ = 10065731284000. Its totient is φ = 5023957910688.

The previous prime is 7542617664509. The next prime is 7542617664529. The reversal of 7542617664513 is 3154667162457.

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

It is not a de Polignac number, because 7542617664513 - 2² = 7542617664509 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7542617664503) 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, 1113462463 + ... + 1113469236.

It is an arithmetic number, because the mean of its divisors is an integer number (1258216410500).

Almost surely, 2^{7542617664513} is an apocalyptic number.

It is an amenable number.

7542617664513 is a deficient number, since it is larger than the sum of its proper divisors (2523113619487).

7542617664513 is a wasteful number, since it uses less digits than its factorization.

7542617664513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2226932831.

The product of its digits is 25401600, while the sum is 57.

The spelling of 7542617664513 in words is "seven trillion, five hundred forty-two billion, six hundred seventeen million, six hundred sixty-four thousand, five hundred thirteen".