1018475484621 has 32 divisors (see below), whose sum is σ = 1602202288128. Its totient is φ = 563150257920.

The previous prime is 1018475484601. The next prime is 1018475484647. The reversal of 1018475484621 is 1264845748101.

It is a happy number.

It is not a de Polignac number, because 1018475484621 - 2⁷ = 1018475484493 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1018475484601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6183285 + ... + 6345861.

It is an arithmetic number, because the mean of its divisors is an integer number (50068821504).

Almost surely, 2^{1018475484621} is an apocalyptic number.

It is an amenable number.

1018475484621 is a deficient number, since it is larger than the sum of its proper divisors (583726803507).

1018475484621 is a wasteful number, since it uses less digits than its factorization.

1018475484621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172241.

The product of its (nonzero) digits is 1720320, while the sum is 51.

The spelling of 1018475484621 in words is "one trillion, eighteen billion, four hundred seventy-five million, four hundred eighty-four thousand, six hundred twenty-one".