1690288375 has 8 divisors (see below), whose sum is σ = 2109480048. Its totient is φ = 1352230600.

The previous prime is 1690288373. The next prime is 1690288381. The reversal of 1690288375 is 5738820961.

It is not a de Polignac number, because 1690288375 - 2¹ = 1690288373 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 (1690288373) 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 7 ways as a sum of consecutive naturals, for example, 6761029 + ... + 6761278.

It is an arithmetic number, because the mean of its divisors is an integer number (263685006).

Almost surely, 2^1690288375 is an apocalyptic number.

1690288375 is a deficient number, since it is larger than the sum of its proper divisors (419191673).

1690288375 is an equidigital number, since it uses as much as digits as its factorization.

1690288375 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13522322 (or 13522312 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 49.

The square root of 1690288375 is about 41113.1168241961. The cubic root of 1690288375 is about 1191.2061717463.

The spelling of 1690288375 in words is "one billion, six hundred ninety million, two hundred eighty-eight thousand, three hundred seventy-five".