458542649523 has 32 divisors (see below), whose sum is σ = 700201148416. Its totient is φ = 261473660928.

The previous prime is 458542649519. The next prime is 458542649569. The reversal of 458542649523 is 325946245854.

It is not a de Polignac number, because 458542649523 - 2² = 458542649519 is a prime.

It is a super-2 number, since 2×458542649523² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (458542649503) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 44500590 + ... + 44510892.

It is an arithmetic number, because the mean of its divisors is an integer number (21881285888).

Almost surely, 2^458542649523 is an apocalyptic number.

458542649523 is a deficient number, since it is larger than the sum of its proper divisors (241658498893).

458542649523 is a wasteful number, since it uses less digits than its factorization.

458542649523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14563.

The product of its digits is 41472000, while the sum is 57.

The spelling of 458542649523 in words is "four hundred fifty-eight billion, five hundred forty-two million, six hundred forty-nine thousand, five hundred twenty-three".