1463689749 has 8 divisors (see below), whose sum is σ = 2066385600. Its totient is φ = 918393536.

The previous prime is 1463689687. The next prime is 1463689751. The reversal of 1463689749 is 9479863641.

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

It is a cyclic number.

It is not a de Polignac number, because 1463689749 - 2¹⁵ = 1463656981 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1463689649) 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, 14349849 + ... + 14349950.

It is an arithmetic number, because the mean of its divisors is an integer number (258298200).

Almost surely, 2^1463689749 is an apocalyptic number.

It is an amenable number.

1463689749 is a deficient number, since it is larger than the sum of its proper divisors (602695851).

1463689749 is a wasteful number, since it uses less digits than its factorization.

1463689749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28699819.

The product of its digits is 7838208, while the sum is 57.

The square root of 1463689749 is about 38258.1984547103. The cubic root of 1463689749 is about 1135.4020580035.

The spelling of 1463689749 in words is "one billion, four hundred sixty-three million, six hundred eighty-nine thousand, seven hundred forty-nine".