2433939468545 has 16 divisors (see below), whose sum is σ = 3156753951120. Its totient is φ = 1790881968384.

The previous prime is 2433939468509. The next prime is 2433939468581. The reversal of 2433939468545 is 5458649393342.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2433939468509) and next prime (2433939468581).

It can be written as a sum of positive squares in 8 ways, for example, as 147456768001 + 2286482700544 = 384001^2 + 1512112^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2433939468545 is a prime.

It is a super-2 number, since 2×2433939468545² (a number of 26 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (65).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 67572650 + ... + 67608659.

It is an arithmetic number, because the mean of its divisors is an integer number (197297121945).

Almost surely, 2^{2433939468545} is an apocalyptic number.

It is an amenable number.

2433939468545 is a deficient number, since it is larger than the sum of its proper divisors (722814482575).

2433939468545 is a wasteful number, since it uses less digits than its factorization.

2433939468545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135181604.

The product of its digits is 335923200, while the sum is 65.

The spelling of 2433939468545 in words is "two trillion, four hundred thirty-three billion, nine hundred thirty-nine million, four hundred sixty-eight thousand, five hundred forty-five".