2405193260987 has 8 divisors (see below), whose sum is σ = 2623858612032. Its totient is φ = 2186529813000.

The previous prime is 2405193260927. The next prime is 2405193261011. The reversal of 2405193260987 is 7890623915042.

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 2405193260987 - 2¹⁸ = 2405192998843 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2405193260917) 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, 3986828 + ... + 4550294.

It is an arithmetic number, because the mean of its divisors is an integer number (327982326504).

It is a 2-persistent number, because it is pandigital, and so is 2⋅2405193260987 = 4810386521974, but 3⋅2405193260987 = 7215579782961 is not.

Almost surely, 2^{2405193260987} is an apocalyptic number.

2405193260987 is a deficient number, since it is larger than the sum of its proper divisors (218665351045).

2405193260987 is a wasteful number, since it uses less digits than its factorization.

2405193260987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 951529.

The product of its (nonzero) digits is 6531840, while the sum is 56.

The spelling of 2405193260987 in words is "two trillion, four hundred five billion, one hundred ninety-three million, two hundred sixty thousand, nine hundred eighty-seven".