39747630943 has 2 divisors, whose sum is σ = 39747630944. Its totient is φ = 39747630942.

The previous prime is 39747630919. The next prime is 39747630947. The reversal of 39747630943 is 34903674793.

39747630943 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 39747630943 - 2¹³ = 39747622751 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (39747630947) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19873815471 + 19873815472.

It is an arithmetic number, because the mean of its divisors is an integer number (19873815472).

Almost surely, 2^39747630943 is an apocalyptic number.

39747630943 is a deficient number, since it is larger than the sum of its proper divisors (1).

39747630943 is an equidigital number, since it uses as much as digits as its factorization.

39747630943 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10287648, while the sum is 55.

The spelling of 39747630943 in words is "thirty-nine billion, seven hundred forty-seven million, six hundred thirty thousand, nine hundred forty-three".