1146463621 has 4 divisors (see below), whose sum is σ = 1170856512. Its totient is φ = 1122070732.

The previous prime is 1146463559. The next prime is 1146463627. The reversal of 1146463621 is 1263646411.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1146463621 - 2¹¹ = 1146461573 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1146463627) 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 3 ways as a sum of consecutive naturals, for example, 12196375 + ... + 12196468.

It is an arithmetic number, because the mean of its divisors is an integer number (292714128).

Almost surely, 2^1146463621 is an apocalyptic number.

It is an amenable number.

1146463621 is a deficient number, since it is larger than the sum of its proper divisors (24392891).

1146463621 is an equidigital number, since it uses as much as digits as its factorization.

1146463621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24392890.

The product of its digits is 20736, while the sum is 34.

The square root of 1146463621 is about 33859.4687052234. The cubic root of 1146463621 is about 1046.6145295115.

The spelling of 1146463621 in words is "one billion, one hundred forty-six million, four hundred sixty-three thousand, six hundred twenty-one".