264334421043551 has 8 divisors (see below), whose sum is σ = 276388988206464. Its totient is φ = 252326667734680.

The previous prime is 264334421043547. The next prime is 264334421043557. The reversal of 264334421043551 is 155340124433462.

264334421043551 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 264334421043551 - 2² = 264334421043547 is a prime.

It is a super-2 number, since 2×264334421043551² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 264334421043496 and 264334421043505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (264334421043557) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11703451961 + ... + 11703474546.

It is an arithmetic number, because the mean of its divisors is an integer number (34548623525808).

Almost surely, 2^{264334421043551} is an apocalyptic number.

264334421043551 is a deficient number, since it is larger than the sum of its proper divisors (12054567162913).

264334421043551 is a wasteful number, since it uses less digits than its factorization.

264334421043551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23406927021.

The product of its (nonzero) digits is 4147200, while the sum is 47.

The spelling of 264334421043551 in words is "two hundred sixty-four trillion, three hundred thirty-four billion, four hundred twenty-one million, forty-three thousand, five hundred fifty-one".