1464049641 has 16 divisors (see below), whose sum is σ = 1976123520. Its totient is φ = 964051200.

The previous prime is 1464049637. The next prime is 1464049663. The reversal of 1464049641 is 1469404641.

It is a happy number.

It is not a de Polignac number, because 1464049641 - 2² = 1464049637 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1464049641.

It is not an unprimeable number, because it can be changed into a prime (1464049241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 125620 + ... + 136778.

It is an arithmetic number, because the mean of its divisors is an integer number (123507720).

Almost surely, 2^1464049641 is an apocalyptic number.

It is an amenable number.

1464049641 is a deficient number, since it is larger than the sum of its proper divisors (512073879).

1464049641 is a wasteful number, since it uses less digits than its factorization.

1464049641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11696.

The product of its (nonzero) digits is 82944, while the sum is 39.

The square root of 1464049641 is about 38262.9016280783. The cubic root of 1464049641 is about 1135.4951079210.

The spelling of 1464049641 in words is "one billion, four hundred sixty-four million, forty-nine thousand, six hundred forty-one".