264401273719 has 16 divisors (see below), whose sum is σ = 304081424640. Its totient is φ = 227543880960.

The previous prime is 264401273713. The next prime is 264401273737. The reversal of 264401273719 is 917372104462.

It is not a de Polignac number, because 264401273719 - 2¹⁵ = 264401240951 is a prime.

It is a super-2 number, since 2×264401273719² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (264401273713) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5362389 + ... + 5411470.

It is an arithmetic number, because the mean of its divisors is an integer number (19005089040).

Almost surely, 2^264401273719 is an apocalyptic number.

264401273719 is a deficient number, since it is larger than the sum of its proper divisors (39680150921).

264401273719 is a wasteful number, since it uses less digits than its factorization.

264401273719 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10773990.

The product of its (nonzero) digits is 508032, while the sum is 46.

The spelling of 264401273719 in words is "two hundred sixty-four billion, four hundred one million, two hundred seventy-three thousand, seven hundred nineteen".