1013019923978 has 8 divisors (see below), whose sum is σ = 1519664260800. Its totient is φ = 506465170380.

The previous prime is 1013019923977. The next prime is 1013019924011. The reversal of 1013019923978 is 8793299103101.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (1013019923977) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22367528 + ... + 22412771.

It is an arithmetic number, because the mean of its divisors is an integer number (189958032600).

Almost surely, 2^{1013019923978} is an apocalyptic number.

1013019923978 is a deficient number, since it is larger than the sum of its proper divisors (506644336822).

1013019923978 is a wasteful number, since it uses less digits than its factorization.

1013019923978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44791612.

The product of its (nonzero) digits is 734832, while the sum is 53.

The spelling of 1013019923978 in words is "one trillion, thirteen billion, nineteen million, nine hundred twenty-three thousand, nine hundred seventy-eight".