1464242320261 has 4 divisors (see below), whose sum is σ = 1673419794592. Its totient is φ = 1255064845932.

The previous prime is 1464242320259. The next prime is 1464242320267. The reversal of 1464242320261 is 1620232424641.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1464242320261 - 2¹ = 1464242320259 is a prime.

It is a super-2 number, since 2×1464242320261² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1464242320261.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1464242320267) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 104588737155 + ... + 104588737168.

It is an arithmetic number, because the mean of its divisors is an integer number (418354948648).

Almost surely, 2^{1464242320261} is an apocalyptic number.

It is an amenable number.

1464242320261 is a deficient number, since it is larger than the sum of its proper divisors (209177474331).

1464242320261 is an equidigital number, since it uses as much as digits as its factorization.

1464242320261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209177474330.

The product of its (nonzero) digits is 110592, while the sum is 37.

The spelling of 1464242320261 in words is "one trillion, four hundred sixty-four billion, two hundred forty-two million, three hundred twenty thousand, two hundred sixty-one".