1493995530 has 64 divisors (see below), whose sum is σ = 3858824448. Its totient is φ = 368808960.

The previous prime is 1493995511. The next prime is 1493995537. The reversal of 1493995530 is 355993941.

It is a self number, because there is not a number n which added to its sum of digits gives 1493995530.

It is not an unprimeable number, because it can be changed into a prime (1493995537) 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, 7099 + ... + 55121.

It is an arithmetic number, because the mean of its divisors is an integer number (60294132).

Almost surely, 2^1493995530 is an apocalyptic number.

1493995530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1493995530, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1929412224).

1493995530 is an abundant number, since it is smaller than the sum of its proper divisors (2364828918).

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

1493995530 is a wasteful number, since it uses less digits than its factorization.

1493995530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48111.

The product of its (nonzero) digits is 656100, while the sum is 48.

The square root of 1493995530 is about 38652.2383569180. The cubic root of 1493995530 is about 1143.1847771883.

The spelling of 1493995530 in words is "one billion, four hundred ninety-three million, nine hundred ninety-five thousand, five hundred thirty".