1493497500 has 240 divisors, whose sum is σ = 4872540288. Its totient is φ = 352800000.

The previous prime is 1493497493. The next prime is 1493497507. The reversal of 1493497500 is 57943941.

It is an interprime number because it is at equal distance from previous prime (1493497493) and next prime (1493497507).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1493497507) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 3547290 + ... + 3547710.

Almost surely, 2^1493497500 is an apocalyptic number.

1493497500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1493497500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2436270144).

1493497500 is an abundant number, since it is smaller than the sum of its proper divisors (3379042788).

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

1493497500 is a wasteful number, since it uses less digits than its factorization.

1493497500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 502 (or 485 counting only the distinct ones).

The product of its (nonzero) digits is 136080, while the sum is 42.

The square root of 1493497500 is about 38645.7953728475. The cubic root of 1493497500 is about 1143.0577345078.

The spelling of 1493497500 in words is "one billion, four hundred ninety-three million, four hundred ninety-seven thousand, five hundred".