645601361414 has 4 divisors (see below), whose sum is σ = 968402042124. Its totient is φ = 322800680706.

The previous prime is 645601361411. The next prime is 645601361417. The reversal of 645601361414 is 414163106546.

It is a happy number.

645601361414 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (645601361411) and next prime (645601361417).

It is a super-2 number, since 2×645601361414² (a number of 24 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (645601361411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 161400340352 + ... + 161400340355.

It is an arithmetic number, because the mean of its divisors is an integer number (242100510531).

Almost surely, 2^645601361414 is an apocalyptic number.

645601361414 is a deficient number, since it is larger than the sum of its proper divisors (322800680710).

645601361414 is a wasteful number, since it uses less digits than its factorization.

645601361414 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 322800680709.

The product of its (nonzero) digits is 207360, while the sum is 41.

The spelling of 645601361414 in words is "six hundred forty-five billion, six hundred one million, three hundred sixty-one thousand, four hundred fourteen".