1000009978342 has 8 divisors (see below), whose sum is σ = 1500021108432. Its totient is φ = 500002942200.

The previous prime is 1000009978313. The next prime is 1000009978343. The reversal of 1000009978342 is 2438799000001.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1000009978343) 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, 314634 + ... + 1448797.

It is an arithmetic number, because the mean of its divisors is an integer number (187502638554).

Almost surely, 2^{1000009978342} is an apocalyptic number.

1000009978342 is a deficient number, since it is larger than the sum of its proper divisors (500011130090).

1000009978342 is a wasteful number, since it uses less digits than its factorization.

1000009978342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2046974.

The product of its (nonzero) digits is 108864, while the sum is 43.

The spelling of 1000009978342 in words is "one trillion, nine million, nine hundred seventy-eight thousand, three hundred forty-two".