1018914989147 has 4 divisors (see below), whose sum is σ = 1111543624536. Its totient is φ = 926286353760.

The previous prime is 1018914989143. The next prime is 1018914989171. The reversal of 1018914989147 is 7419894198101.

1018914989147 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 1018914989147 - 2² = 1018914989143 is a prime.

It is a super-2 number, since 2×1018914989147² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1018914989147.

It is not an unprimeable number, because it can be changed into a prime (1018914989143) 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, 46314317678 + ... + 46314317699.

It is an arithmetic number, because the mean of its divisors is an integer number (277885906134).

Almost surely, 2^{1018914989147} is an apocalyptic number.

1018914989147 is a deficient number, since it is larger than the sum of its proper divisors (92628635389).

1018914989147 is an equidigital number, since it uses as much as digits as its factorization.

1018914989147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92628635388.

The product of its (nonzero) digits is 5225472, while the sum is 62.

The spelling of 1018914989147 in words is "one trillion, eighteen billion, nine hundred fourteen million, nine hundred eighty-nine thousand, one hundred forty-seven".