1004233261391 has 8 divisors (see below), whose sum is σ = 1004920821024. Its totient is φ = 1003545849600.

The previous prime is 1004233261357. The next prime is 1004233261433. The reversal of 1004233261391 is 1931623324001.

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 1004233261391 - 2²² = 1004229067087 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1004233267391) 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, 15829751 + ... + 15893063.

It is an arithmetic number, because the mean of its divisors is an integer number (125615102628).

Almost surely, 2^{1004233261391} is an apocalyptic number.

1004233261391 is a deficient number, since it is larger than the sum of its proper divisors (687559633).

1004233261391 is an equidigital number, since it uses as much as digits as its factorization.

1004233261391 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73921.

The product of its (nonzero) digits is 23328, while the sum is 35.

Adding to 1004233261391 its reverse (1931623324001), we get a palindrome (2935856585392).

The spelling of 1004233261391 in words is "one trillion, four billion, two hundred thirty-three million, two hundred sixty-one thousand, three hundred ninety-one".