7541451513 has 8 divisors (see below), whose sum is σ = 11172520800. Its totient is φ = 5027634324.

The previous prime is 7541451497. The next prime is 7541451523. The reversal of 7541451513 is 3151541457.

It is not a de Polignac number, because 7541451513 - 2⁴ = 7541451497 is a prime.

It is not an unprimeable number, because it can be changed into a prime (7541451523) 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, 139656483 + ... + 139656536.

It is an arithmetic number, because the mean of its divisors is an integer number (1396565100).

Almost surely, 2^7541451513 is an apocalyptic number.

It is an amenable number.

7541451513 is a deficient number, since it is larger than the sum of its proper divisors (3631069287).

7541451513 is a wasteful number, since it uses less digits than its factorization.

7541451513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 279313028 (or 279313022 counting only the distinct ones).

The product of its digits is 42000, while the sum is 36.

The square root of 7541451513 is about 86841.5310378623. The cubic root of 7541451513 is about 1961.0333570279.

The spelling of 7541451513 in words is "seven billion, five hundred forty-one million, four hundred fifty-one thousand, five hundred thirteen".