264742520141 has 4 divisors (see below), whose sum is σ = 288810021984. Its totient is φ = 240675018300.

The previous prime is 264742520069. The next prime is 264742520153. The reversal of 264742520141 is 141025247462.

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 a de Polignac number, because none of the positive numbers 2^k-264742520141 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 264742520095 and 264742520104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (264742520041) 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, 12033750905 + ... + 12033750926.

It is an arithmetic number, because the mean of its divisors is an integer number (72202505496).

Almost surely, 2^264742520141 is an apocalyptic number.

It is an amenable number.

264742520141 is a deficient number, since it is larger than the sum of its proper divisors (24067501843).

264742520141 is a wasteful number, since it uses less digits than its factorization.

264742520141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24067501842.

The product of its (nonzero) digits is 107520, while the sum is 38.

The spelling of 264742520141 in words is "two hundred sixty-four billion, seven hundred forty-two million, five hundred twenty thousand, one hundred forty-one".