1670898419 has 4 divisors (see below), whose sum is σ = 1724798400. Its totient is φ = 1616998440.

The previous prime is 1670898409. The next prime is 1670898479. The reversal of 1670898419 is 9148980761.

It is a semiprime because it is the product of two primes.

It is a de Polignac number, because none of the positive numbers 2^k-1670898419 is a prime.

It is a super-2 number, since 2×1670898419² = 5583803053233399122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1670898409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26949944 + ... + 26950005.

It is an arithmetic number, because the mean of its divisors is an integer number (431199600).

Almost surely, 2^1670898419 is an apocalyptic number.

1670898419 is a deficient number, since it is larger than the sum of its proper divisors (53899981).

1670898419 is an equidigital number, since it uses as much as digits as its factorization.

1670898419 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53899980.

The product of its (nonzero) digits is 870912, while the sum is 53.

The square root of 1670898419 is about 40876.6243591616. The cubic root of 1670898419 is about 1186.6337128503.

The spelling of 1670898419 in words is "one billion, six hundred seventy million, eight hundred ninety-eight thousand, four hundred nineteen".