1358954493 has 16 divisors (see below), whose sum is σ = 1984395840. Its totient is φ = 822104064.

The previous prime is 1358954453. The next prime is 1358954539. The reversal of 1358954493 is 3944598531.

It is not a de Polignac number, because 1358954493 - 2²⁰ = 1357905917 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1358954453) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 292996 + ... + 297597.

It is an arithmetic number, because the mean of its divisors is an integer number (124024740).

Almost surely, 2^1358954493 is an apocalyptic number.

1358954493 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1358954493 is a deficient number, since it is larger than the sum of its proper divisors (625441347).

1358954493 is a wasteful number, since it uses less digits than its factorization.

1358954493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 590668.

The product of its digits is 2332800, while the sum is 51.

The square root of 1358954493 is about 36863.9999593099. Note that the first 4 decimals coincide. The cubic root of 1358954493 is about 1107.6476691810.

The spelling of 1358954493 in words is "one billion, three hundred fifty-eight million, nine hundred fifty-four thousand, four hundred ninety-three".