1353995863 has 8 divisors (see below), whose sum is σ = 1477758096. Its totient is φ = 1230345600.

The previous prime is 1353995861. The next prime is 1353995887. The reversal of 1353995863 is 3685993531.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1353995863 - 2¹ = 1353995861 is a prime.

It is a super-2 number, since 2×1353995863² = 3666609594042229538, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1353995863.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1353995861) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1618 + ... + 52063.

It is an arithmetic number, because the mean of its divisors is an integer number (184719762).

Almost surely, 2^1353995863 is an apocalyptic number.

1353995863 is a deficient number, since it is larger than the sum of its proper divisors (123762233).

1353995863 is a wasteful number, since it uses less digits than its factorization.

1353995863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55985.

The product of its digits is 2624400, while the sum is 52.

The square root of 1353995863 is about 36796.6827716847. The cubic root of 1353995863 is about 1106.2988114354.

The spelling of 1353995863 in words is "one billion, three hundred fifty-three million, nine hundred ninety-five thousand, eight hundred sixty-three".