1011918374 has 4 divisors (see below), whose sum is σ = 1517877564. Its totient is φ = 505959186.

The previous prime is 1011918371. The next prime is 1011918379. The reversal of 1011918374 is 4738191101.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1011918371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 252979592 + ... + 252979595.

It is an arithmetic number, because the mean of its divisors is an integer number (379469391).

Almost surely, 2^1011918374 is an apocalyptic number.

1011918374 is a deficient number, since it is larger than the sum of its proper divisors (505959190).

1011918374 is an equidigital number, since it uses as much as digits as its factorization.

1011918374 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 505959189.

The product of its (nonzero) digits is 6048, while the sum is 35.

The square root of 1011918374 is about 31810.6644696397. The cubic root of 1011918374 is about 1003.9571119439.

The spelling of 1011918374 in words is "one billion, eleven million, nine hundred eighteen thousand, three hundred seventy-four".