1485623918 has 4 divisors (see below), whose sum is σ = 2228435880. Its totient is φ = 742811958.

The previous prime is 1485623903. The next prime is 1485623921. The reversal of 1485623918 is 8193265841.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 371405978 + ... + 371405981.

It is an arithmetic number, because the mean of its divisors is an integer number (557108970).

Almost surely, 2^1485623918 is an apocalyptic number.

1485623918 is a deficient number, since it is larger than the sum of its proper divisors (742811962).

1485623918 is an equidigital number, since it uses as much as digits as its factorization.

1485623918 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 742811961.

The product of its digits is 414720, while the sum is 47.

The square root of 1485623918 is about 38543.7922109385. The cubic root of 1485623918 is about 1141.0454956879.

The spelling of 1485623918 in words is "one billion, four hundred eighty-five million, six hundred twenty-three thousand, nine hundred eighteen".