1493251512 has 64 divisors (see below), whose sum is σ = 3798480000. Its totient is φ = 489075840.

The previous prime is 1493251511. The next prime is 1493251531. The reversal of 1493251512 is 2151523941.

It is a happy number.

It is a super-2 number, since 2×1493251512² = 4459600156180572288, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1493251511) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 801462 + ... + 803322.

It is an arithmetic number, because the mean of its divisors is an integer number (59351250).

Almost surely, 2^1493251512 is an apocalyptic number.

1493251512 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1493251512 is an abundant number, since it is smaller than the sum of its proper divisors (2305228488).

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

1493251512 is a wasteful number, since it uses less digits than its factorization.

1493251512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2436 (or 2432 counting only the distinct ones).

The product of its digits is 10800, while the sum is 33.

The square root of 1493251512 is about 38642.6126445922. The cubic root of 1493251512 is about 1142.9949749061.

The spelling of 1493251512 in words is "one billion, four hundred ninety-three million, two hundred fifty-one thousand, five hundred twelve".