43325420731 has 2 divisors, whose sum is σ = 43325420732. Its totient is φ = 43325420730.

The previous prime is 43325420683. The next prime is 43325420797. The reversal of 43325420731 is 13702452334.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-43325420731 is a prime.

It is a super-2 number, since 2×43325420731² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (43325450731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21662710365 + 21662710366.

It is an arithmetic number, because the mean of its divisors is an integer number (21662710366).

Almost surely, 2^43325420731 is an apocalyptic number.

43325420731 is a deficient number, since it is larger than the sum of its proper divisors (1).

43325420731 is an equidigital number, since it uses as much as digits as its factorization.

43325420731 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 60480, while the sum is 34.

The spelling of 43325420731 in words is "forty-three billion, three hundred twenty-five million, four hundred twenty thousand, seven hundred thirty-one".