1464242645261 has 24 divisors (see below), whose sum is σ = 1670166370656. Its totient is φ = 1272994516640.

The previous prime is 1464242645249. The next prime is 1464242645267. The reversal of 1464242645261 is 1625462424641.

It is a de Polignac number, because none of the positive numbers 2^k-1464242645261 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1464242645267) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 31882631 + ... + 31928523.

It is an arithmetic number, because the mean of its divisors is an integer number (69590265444).

Almost surely, 2^{1464242645261} is an apocalyptic number.

1464242645261 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1464242645261 is a deficient number, since it is larger than the sum of its proper divisors (205923725395).

1464242645261 is a wasteful number, since it uses less digits than its factorization.

1464242645261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51433 (or 51410 counting only the distinct ones).

The product of its digits is 2211840, while the sum is 47.

The spelling of 1464242645261 in words is "one trillion, four hundred sixty-four billion, two hundred forty-two million, six hundred forty-five thousand, two hundred sixty-one".