1690419027 has 8 divisors (see below), whose sum is σ = 2458791360. Its totient is φ = 1024496360.

The previous prime is 1690419001. The next prime is 1690419103. The reversal of 1690419027 is 7209140961.

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 1690419027 - 2¹⁴ = 1690402643 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1690412027) 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 7 ways as a sum of consecutive naturals, for example, 25612377 + ... + 25612442.

It is an arithmetic number, because the mean of its divisors is an integer number (307348920).

Almost surely, 2^1690419027 is an apocalyptic number.

1690419027 is a deficient number, since it is larger than the sum of its proper divisors (768372333).

1690419027 is a wasteful number, since it uses less digits than its factorization.

1690419027 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51224833.

The product of its (nonzero) digits is 27216, while the sum is 39.

The square root of 1690419027 is about 41114.7057267835. The cubic root of 1690419027 is about 1191.2368626551.

Adding to 1690419027 its reverse (7209140961), we get a palindrome (8899559988).

The spelling of 1690419027 in words is "one billion, six hundred ninety million, four hundred nineteen thousand, twenty-seven".