645611241335 has 16 divisors (see below), whose sum is σ = 779413864320. Its totient is φ = 513376738560.

The previous prime is 645611241307. The next prime is 645611241343. The reversal of 645611241335 is 533142116546.

It is not a de Polignac number, because 645611241335 - 2¹⁶ = 645611175799 is a prime.

It is a super-2 number, since 2×645611241335² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 645611241292 and 645611241301.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 147179 + ... + 1145811.

It is an arithmetic number, because the mean of its divisors is an integer number (48713366520).

Almost surely, 2^645611241335 is an apocalyptic number.

645611241335 is a deficient number, since it is larger than the sum of its proper divisors (133802622985).

645611241335 is a wasteful number, since it uses less digits than its factorization.

645611241335 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 999418.

The product of its digits is 259200, while the sum is 41.

The spelling of 645611241335 in words is "six hundred forty-five billion, six hundred eleven million, two hundred forty-one thousand, three hundred thirty-five".