1490653605 has 32 divisors (see below), whose sum is σ = 2792256768. Its totient is φ = 664819200.

The previous prime is 1490653603. The next prime is 1490653627. The reversal of 1490653605 is 5063560941.

It is not a de Polignac number, because 1490653605 - 2¹ = 1490653603 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1490653601) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 168826 + ... + 177435.

It is an arithmetic number, because the mean of its divisors is an integer number (87258024).

Almost surely, 2^1490653605 is an apocalyptic number.

1490653605 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1490653605 is a deficient number, since it is larger than the sum of its proper divisors (1301603163).

1490653605 is a wasteful number, since it uses less digits than its factorization.

1490653605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 346317.

The product of its (nonzero) digits is 97200, while the sum is 39.

The square root of 1490653605 is about 38608.9834753520. The cubic root of 1490653605 is about 1142.3317425113.

The spelling of 1490653605 in words is "one billion, four hundred ninety million, six hundred fifty-three thousand, six hundred five".