1493918620 has 12 divisors (see below), whose sum is σ = 3137229144. Its totient is φ = 597567440.

The previous prime is 1493918611. The next prime is 1493918633. The reversal of 1493918620 is 268193941.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37347946 + ... + 37347985.

It is an arithmetic number, because the mean of its divisors is an integer number (261435762).

Almost surely, 2^1493918620 is an apocalyptic number.

1493918620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1493918620 is an abundant number, since it is smaller than the sum of its proper divisors (1643310524).

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

1493918620 is a wasteful number, since it uses less digits than its factorization.

1493918620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74695940 (or 74695938 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 43.

The square root of 1493918620 is about 38651.2434470096. The cubic root of 1493918620 is about 1143.1651600279.

The spelling of 1493918620 in words is "one billion, four hundred ninety-three million, nine hundred eighteen thousand, six hundred twenty".