72425625243431 has 2 divisors, whose sum is σ = 72425625243432. Its totient is φ = 72425625243430.

The previous prime is 72425625243427. The next prime is 72425625243437. The reversal of 72425625243431 is 13434252652427.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 72425625243431 - 2² = 72425625243427 is a prime.

It is a super-2 number, since 2×72425625243431² (a number of 29 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 72425625243431.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (72425625243437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36212812621715 + 36212812621716.

It is an arithmetic number, because the mean of its divisors is an integer number (36212812621716).

Almost surely, 2^{72425625243431} is an apocalyptic number.

72425625243431 is a deficient number, since it is larger than the sum of its proper divisors (1).

72425625243431 is an equidigital number, since it uses as much as digits as its factorization.

72425625243431 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9676800, while the sum is 50.

Adding to 72425625243431 its reverse (13434252652427), we get a palindrome (85859877895858).

The spelling of 72425625243431 in words is "seventy-two trillion, four hundred twenty-five billion, six hundred twenty-five million, two hundred forty-three thousand, four hundred thirty-one".