5164623523442 has 4 divisors (see below), whose sum is σ = 7746935285166. Its totient is φ = 2582311761720.

The previous prime is 5164623523439. The next prime is 5164623523453. The reversal of 5164623523442 is 2443253264615.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 3045272795041 + 2119350728401 = 1745071^2 + 1455799^2 .

It is a super-2 number, since 2×5164623523442² (a number of 26 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1291155880859 + ... + 1291155880862.

Almost surely, 2^{5164623523442} is an apocalyptic number.

5164623523442 is a deficient number, since it is larger than the sum of its proper divisors (2582311761724).

5164623523442 is a wasteful number, since it uses less digits than its factorization.

5164623523442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2582311761723.

The product of its digits is 4147200, while the sum is 47.

The spelling of 5164623523442 in words is "five trillion, one hundred sixty-four billion, six hundred twenty-three million, five hundred twenty-three thousand, four hundred forty-two".