265420648519 has 8 divisors (see below), whose sum is σ = 285843866000. Its totient is φ = 244998323136.

The previous prime is 265420648487. The next prime is 265420648529. The reversal of 265420648519 is 915846024562.

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 265420648519 - 2⁵ = 265420648487 is a prime.

It is a super-2 number, since 2×265420648519² (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 (265420648529) 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, 476107 + ... + 870355.

It is an arithmetic number, because the mean of its divisors is an integer number (35730483250).

Almost surely, 2^265420648519 is an apocalyptic number.

265420648519 is a deficient number, since it is larger than the sum of its proper divisors (20423217481).

265420648519 is a wasteful number, since it uses less digits than its factorization.

265420648519 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 446049.

The product of its (nonzero) digits is 4147200, while the sum is 52.

The spelling of 265420648519 in words is "two hundred sixty-five billion, four hundred twenty million, six hundred forty-eight thousand, five hundred nineteen".