1485783690 has 16 divisors (see below), whose sum is σ = 3565880928. Its totient is φ = 396208976.

The previous prime is 1485783671. The next prime is 1485783737. The reversal of 1485783690 is 963875841.

It is a super-2 number, since 2×1485783690² = 4415106346940032200, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24763032 + ... + 24763091.

It is an arithmetic number, because the mean of its divisors is an integer number (222867558).

Almost surely, 2^1485783690 is an apocalyptic number.

1485783690 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1485783690 is an abundant number, since it is smaller than the sum of its proper divisors (2080097238).

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

1485783690 is a wasteful number, since it uses less digits than its factorization.

1485783690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49526133.

The product of its (nonzero) digits is 1451520, while the sum is 51.

The square root of 1485783690 is about 38545.8647587520. The cubic root of 1485783690 is about 1141.0863989482.

The spelling of 1485783690 in words is "one billion, four hundred eighty-five million, seven hundred eighty-three thousand, six hundred ninety".