3123416781819 has 12 divisors (see below), whose sum is σ = 4515383762136. Its totient is φ = 2080532434272.

The previous prime is 3123416781799. The next prime is 3123416781889. The reversal of 3123416781819 is 9181876143213.

It is not a de Polignac number, because 3123416781819 - 2¹¹ = 3123416779771 is a prime.

It is a super-2 number, since 2×3123416781819² (a number of 26 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3123416781889) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 145440357 + ... + 145461830.

It is an arithmetic number, because the mean of its divisors is an integer number (376281980178).

Almost surely, 2^{3123416781819} is an apocalyptic number.

3123416781819 is a deficient number, since it is larger than the sum of its proper divisors (1391966980317).

3123416781819 is a wasteful number, since it uses less digits than its factorization.

3123416781819 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 290903386 (or 290903383 counting only the distinct ones).

The product of its digits is 1741824, while the sum is 54.

The spelling of 3123416781819 in words is "three trillion, one hundred twenty-three billion, four hundred sixteen million, seven hundred eighty-one thousand, eight hundred nineteen".