43213283551 has 2 divisors, whose sum is σ = 43213283552. Its totient is φ = 43213283550.

The previous prime is 43213283539. The next prime is 43213283567. The reversal of 43213283551 is 15538231234.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-43213283551 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 43213283551.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (43213223551) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21606641775 + 21606641776.

It is an arithmetic number, because the mean of its divisors is an integer number (21606641776).

Almost surely, 2^43213283551 is an apocalyptic number.

43213283551 is a deficient number, since it is larger than the sum of its proper divisors (1).

43213283551 is an equidigital number, since it uses as much as digits as its factorization.

43213283551 is an evil number, because the sum of its binary digits is even.

The product of its digits is 86400, while the sum is 37.

The spelling of 43213283551 in words is "forty-three billion, two hundred thirteen million, two hundred eighty-three thousand, five hundred fifty-one".