5100981994658 has 16 divisors (see below), whose sum is σ = 8572657702464. Its totient is φ = 2255962552560.

The previous prime is 5100981994657. The next prime is 5100981994721. The reversal of 5100981994658 is 8564991890015.

It is a junction number, because it is equal to n+sod(n) for n = 5100981994594 and 5100981994603.

It is not an unprimeable number, because it can be changed into a prime (5100981994657) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3133280510 + ... + 3133282137.

It is an arithmetic number, because the mean of its divisors is an integer number (535791106404).

Almost surely, 2^{5100981994658} is an apocalyptic number.

5100981994658 is a deficient number, since it is larger than the sum of its proper divisors (3471675707806).

5100981994658 is a wasteful number, since it uses less digits than its factorization.

5100981994658 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6266562697.

The product of its (nonzero) digits is 27993600, while the sum is 65.

The spelling of 5100981994658 in words is "five trillion, one hundred billion, nine hundred eighty-one million, nine hundred ninety-four thousand, six hundred fifty-eight".