43265623451 has 2 divisors, whose sum is σ = 43265623452. Its totient is φ = 43265623450.

The previous prime is 43265623433. The next prime is 43265623459. The reversal of 43265623451 is 15432656234.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-43265623451 is a prime.

It is a super-2 number, since 2×43265623451² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 43265623399 and 43265623408.

It is not a weakly prime, because it can be changed into another prime (43265623459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21632811725 + 21632811726.

It is an arithmetic number, because the mean of its divisors is an integer number (21632811726).

Almost surely, 2^43265623451 is an apocalyptic number.

43265623451 is a deficient number, since it is larger than the sum of its proper divisors (1).

43265623451 is an equidigital number, since it uses as much as digits as its factorization.

43265623451 is an evil number, because the sum of its binary digits is even.

The product of its digits is 518400, while the sum is 41.

The spelling of 43265623451 in words is "forty-three billion, two hundred sixty-five million, six hundred twenty-three thousand, four hundred fifty-one".