5121622677738 has 256 divisors, whose sum is σ = 12707974656000. Its totient is φ = 1343699435520.

The previous prime is 5121622677733. The next prime is 5121622677763. The reversal of 5121622677738 is 8377762261215.

It is a happy number.

It is a super-2 number, since 2×5121622677738² (a number of 26 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (5121622677733) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 1216246453 + ... + 1216250663.

It is an arithmetic number, because the mean of its divisors is an integer number (49640526000).

Almost surely, 2^{5121622677738} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5121622677738, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6353987328000).

5121622677738 is an abundant number, since it is smaller than the sum of its proper divisors (7586351978262).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5121622677738 is a wasteful number, since it uses less digits than its factorization.

5121622677738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4637.

The product of its digits is 11854080, while the sum is 57.

The spelling of 5121622677738 in words is "five trillion, one hundred twenty-one billion, six hundred twenty-two million, six hundred seventy-seven thousand, seven hundred thirty-eight".