645414341259 has 32 divisors (see below), whose sum is σ = 880943731200. Its totient is φ = 420221134080.

The previous prime is 645414341251. The next prime is 645414341267. The reversal of 645414341259 is 952143414546.

It is an interprime number because it is at equal distance from previous prime (645414341251) and next prime (645414341267).

It is not a de Polignac number, because 645414341259 - 2³ = 645414341251 is a prime.

It is not an unprimeable number, because it can be changed into a prime (645414341251) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10667724 + ... + 10728054.

It is an arithmetic number, because the mean of its divisors is an integer number (27529491600).

Almost surely, 2^645414341259 is an apocalyptic number.

645414341259 is a deficient number, since it is larger than the sum of its proper divisors (235529389941).

645414341259 is a wasteful number, since it uses less digits than its factorization.

645414341259 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60915.

The product of its digits is 2073600, while the sum is 48.

The spelling of 645414341259 in words is "six hundred forty-five billion, four hundred fourteen million, three hundred forty-one thousand, two hundred fifty-nine".