1420384355587 has 4 divisors (see below), whose sum is σ = 1427594428656. Its totient is φ = 1413174282520.

The previous prime is 1420384355519. The next prime is 1420384355591. The reversal of 1420384355587 is 7855534830241.

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 1420384355587 - 2¹¹ = 1420384353539 is a prime.

It is a super-2 number, since 2×1420384355587² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1420384355987) 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, 3605036239 + ... + 3605036632.

It is an arithmetic number, because the mean of its divisors is an integer number (356898607164).

Almost surely, 2^{1420384355587} is an apocalyptic number.

1420384355587 is a deficient number, since it is larger than the sum of its proper divisors (7210073069).

1420384355587 is an equidigital number, since it uses as much as digits as its factorization.

1420384355587 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7210073068.

The product of its (nonzero) digits is 16128000, while the sum is 55.

The spelling of 1420384355587 in words is "one trillion, four hundred twenty billion, three hundred eighty-four million, three hundred fifty-five thousand, five hundred eighty-seven".