5169978907390 has 64 divisors (see below), whose sum is σ = 10194166545408. Its totient is φ = 1872192067200.

The previous prime is 5169978907349. The next prime is 5169978907397. The reversal of 5169978907390 is 937098799615.

It is a super-2 number, since 2×5169978907390² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5169978907397) 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, 25833592 + ... + 26032948.

It is an arithmetic number, because the mean of its divisors is an integer number (159283852272).

Almost surely, 2^{5169978907390} is an apocalyptic number.

5169978907390 is a deficient number, since it is larger than the sum of its proper divisors (5024187638018).

5169978907390 is a wasteful number, since it uses less digits than its factorization.

5169978907390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200353.

The product of its (nonzero) digits is 231472080, while the sum is 73.

The spelling of 5169978907390 in words is "five trillion, one hundred sixty-nine billion, nine hundred seventy-eight million, nine hundred seven thousand, three hundred ninety".