19013124243077 has 12 divisors (see below), whose sum is σ = 19349473260480. Its totient is φ = 18682527250632.

The previous prime is 19013124243041. The next prime is 19013124243109. The reversal of 19013124243077 is 77034242131091.

It is not a de Polignac number, because 19013124243077 - 2¹² = 19013124238981 is a prime.

It is a super-2 number, since 2×19013124243077² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19013124243017) 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, 6590324 + ... + 9025442.

It is an arithmetic number, because the mean of its divisors is an integer number (1612456105040).

Almost surely, 2^{19013124243077} is an apocalyptic number.

It is an amenable number.

19013124243077 is a deficient number, since it is larger than the sum of its proper divisors (336349017403).

19013124243077 is an equidigital number, since it uses as much as digits as its factorization.

19013124243077 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2437480 (or 2437421 counting only the distinct ones).

The product of its (nonzero) digits is 254016, while the sum is 44.

The spelling of 19013124243077 in words is "nineteen trillion, thirteen billion, one hundred twenty-four million, two hundred forty-three thousand, seventy-seven".