32749947511 has 2 divisors, whose sum is σ = 32749947512. Its totient is φ = 32749947510.

The previous prime is 32749947421. The next prime is 32749947547. The reversal of 32749947511 is 11574994723.

It is a strong prime.

It is an emirp because it is prime and its reverse (11574994723) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 32749947511 - 2¹¹ = 32749945463 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (32749947311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16374973755 + 16374973756.

It is an arithmetic number, because the mean of its divisors is an integer number (16374973756).

Almost surely, 2^32749947511 is an apocalyptic number.

32749947511 is a deficient number, since it is larger than the sum of its proper divisors (1).

32749947511 is an equidigital number, since it uses as much as digits as its factorization.

32749947511 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1905120, while the sum is 52.

The spelling of 32749947511 in words is "thirty-two billion, seven hundred forty-nine million, nine hundred forty-seven thousand, five hundred eleven".