43425413147645 has 32 divisors (see below), whose sum is σ = 54349665638400. Its totient is φ = 33281301178944.

The previous prime is 43425413147639. The next prime is 43425413147681. The reversal of 43425413147645 is 54674131452434.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-43425413147645 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1669664 + ... + 9467766.

It is an arithmetic number, because the mean of its divisors is an integer number (1698427051200).

Almost surely, 2^{43425413147645} is an apocalyptic number.

It is an amenable number.

43425413147645 is a deficient number, since it is larger than the sum of its proper divisors (10924252490755).

43425413147645 is a wasteful number, since it uses less digits than its factorization.

43425413147645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7798649.

The product of its digits is 19353600, while the sum is 53.

The spelling of 43425413147645 in words is "forty-three trillion, four hundred twenty-five billion, four hundred thirteen million, one hundred forty-seven thousand, six hundred forty-five".