1010404433987 has 8 divisors (see below), whose sum is σ = 1091972830704. Its totient is φ = 929385319968.

The previous prime is 1010404433953. The next prime is 1010404434037. The reversal of 1010404433987 is 7893344040101.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 1010404433987 - 2¹⁰ = 1010404432963 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1010404433947) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 137316848 + ... + 137324205.

It is an arithmetic number, because the mean of its divisors is an integer number (136496603838).

Almost surely, 2^{1010404433987} is an apocalyptic number.

1010404433987 is a deficient number, since it is larger than the sum of its proper divisors (81568396717).

1010404433987 is a wasteful number, since it uses less digits than its factorization.

1010404433987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 274641349.

The product of its (nonzero) digits is 290304, while the sum is 44.

The spelling of 1010404433987 in words is "one trillion, ten billion, four hundred four million, four hundred thirty-three thousand, nine hundred eighty-seven".