1690069410 has 48 divisors (see below), whose sum is σ = 4396948920. Its totient is φ = 450401280.

The previous prime is 1690069397. The next prime is 1690069411. The reversal of 1690069410 is 149600961.

1690069410 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 722050641 + 968018769 = 26871^2 + 31113^2 .

It is a super-2 number, since 2×1690069410² = 5712669221235496200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1690069411) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 165040 + ... + 174980.

Almost surely, 2^1690069410 is an apocalyptic number.

1690069410 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1690069410 is an abundant number, since it is smaller than the sum of its proper divisors (2706879510).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1690069410 is a wasteful number, since it uses less digits than its factorization.

1690069410 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11843 (or 11840 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 36.

The square root of 1690069410 is about 41110.4537800302. The cubic root of 1690069410 is about 1191.1547320576.

The spelling of 1690069410 in words is "one billion, six hundred ninety million, sixty-nine thousand, four hundred ten".