1401904419 has 4 divisors (see below), whose sum is σ = 1869205896. Its totient is φ = 934602944.

The previous prime is 1401904411. The next prime is 1401904453. The reversal of 1401904419 is 9144091041.

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 1401904419 - 2³ = 1401904411 is a prime.

It is a super-2 number, since 2×1401904419² = 3930672000023455122, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1401904419.

It is not an unprimeable number, because it can be changed into a prime (1401904411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 233650734 + ... + 233650739.

It is an arithmetic number, because the mean of its divisors is an integer number (467301474).

Almost surely, 2^1401904419 is an apocalyptic number.

1401904419 is a deficient number, since it is larger than the sum of its proper divisors (467301477).

1401904419 is an equidigital number, since it uses as much as digits as its factorization.

1401904419 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 467301476.

The product of its (nonzero) digits is 5184, while the sum is 33.

The square root of 1401904419 is about 37442.0140884542. The cubic root of 1401904419 is about 1119.1959628405.

The spelling of 1401904419 in words is "one billion, four hundred one million, nine hundred four thousand, four hundred nineteen".