43425300731 has 2 divisors, whose sum is σ = 43425300732. Its totient is φ = 43425300730.

The previous prime is 43425300707. The next prime is 43425300781. The reversal of 43425300731 is 13700352434.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-43425300731 is a prime.

It is a super-2 number, since 2×43425300731² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (43425300781) by changing a digit.

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 as a sum of consecutive naturals, namely, 21712650365 + 21712650366.

It is an arithmetic number, because the mean of its divisors is an integer number (21712650366).

Almost surely, 2^43425300731 is an apocalyptic number.

43425300731 is a deficient number, since it is larger than the sum of its proper divisors (1).

43425300731 is an equidigital number, since it uses as much as digits as its factorization.

43425300731 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 30240, while the sum is 32.

The spelling of 43425300731 in words is "forty-three billion, four hundred twenty-five million, three hundred thousand, seven hundred thirty-one".