1463949728 has 12 divisors (see below), whose sum is σ = 2882151090. Its totient is φ = 731974848.

The previous prime is 1463949727. The next prime is 1463949737. The reversal of 1463949728 is 8279493641.

It can be written as a sum of positive squares in only one way, i.e., 1458323344 + 5626384 = 38188^2 + 2372^2 .

It is a super-2 number, since 2×1463949728² = 4286297612222547968, which contains 22 as substring.

It is a Smith number, since the sum of its digits (53) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 1463949728.

It is not an unprimeable number, because it can be changed into a prime (1463949727) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22874183 + ... + 22874246.

Almost surely, 2^1463949728 is an apocalyptic number.

It is an amenable number.

1463949728 is a deficient number, since it is larger than the sum of its proper divisors (1418201362).

1463949728 is an equidigital number, since it uses as much as digits as its factorization.

1463949728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45748439 (or 45748431 counting only the distinct ones).

The product of its digits is 2612736, while the sum is 53.

The square root of 1463949728 is about 38261.5959938945. The cubic root of 1463949728 is about 1135.4692769882.

The spelling of 1463949728 in words is "one billion, four hundred sixty-three million, nine hundred forty-nine thousand, seven hundred twenty-eight".