1902401035487 has 4 divisors (see below), whose sum is σ = 1902916455336. Its totient is φ = 1901885615640.

The previous prime is 1902401035441. The next prime is 1902401035501. The reversal of 1902401035487 is 7845301042091.

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 1902401035487 - 2²² = 1902396841183 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 (1902401035417) 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, 257704388 + ... + 257711769.

It is an arithmetic number, because the mean of its divisors is an integer number (475729113834).

Almost surely, 2^{1902401035487} is an apocalyptic number.

1902401035487 is a deficient number, since it is larger than the sum of its proper divisors (515419849).

1902401035487 is an equidigital number, since it uses as much as digits as its factorization.

1902401035487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 515419848.

The product of its (nonzero) digits is 241920, while the sum is 44.

The spelling of 1902401035487 in words is "one trillion, nine hundred two billion, four hundred one million, thirty-five thousand, four hundred eighty-seven".