1463647749 has 8 divisors (see below), whose sum is σ = 1969434720. Its totient is φ = 966812976.

The previous prime is 1463647741. The next prime is 1463647753. The reversal of 1463647749 is 9477463641.

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

It is not a de Polignac number, because 1463647749 - 2³ = 1463647741 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1463647741) 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, 2237667 + ... + 2238320.

It is an arithmetic number, because the mean of its divisors is an integer number (246179340).

Almost surely, 2^1463647749 is an apocalyptic number.

It is an amenable number.

1463647749 is a deficient number, since it is larger than the sum of its proper divisors (505786971).

1463647749 is a wasteful number, since it uses less digits than its factorization.

1463647749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4476099.

The product of its digits is 3048192, while the sum is 51.

The square root of 1463647749 is about 38257.6495488157. The cubic root of 1463647749 is about 1135.3911979282.

The spelling of 1463647749 in words is "one billion, four hundred sixty-three million, six hundred forty-seven thousand, seven hundred forty-nine".