1463978949 has 8 divisors (see below), whose sum is σ = 1955127840. Its totient is φ = 974408016.

The previous prime is 1463978933. The next prime is 1463978959. The reversal of 1463978949 is 9498793641.

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

It is not a de Polignac number, because 1463978949 - 2⁴ = 1463978933 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1463978892 and 1463978901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1463978959) 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, 392322 + ... + 396035.

It is an arithmetic number, because the mean of its divisors is an integer number (244390980).

Almost surely, 2^1463978949 is an apocalyptic number.

It is an amenable number.

1463978949 is a deficient number, since it is larger than the sum of its proper divisors (491148891).

1463978949 is an equidigital number, since it uses as much as digits as its factorization.

1463978949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 788979.

The product of its digits is 11757312, while the sum is 60.

The square root of 1463978949 is about 38261.9778500798. The cubic root of 1463978949 is about 1135.4768317392.

The spelling of 1463978949 in words is "one billion, four hundred sixty-three million, nine hundred seventy-eight thousand, nine hundred forty-nine".