32615987149 has 2 divisors, whose sum is σ = 32615987150. Its totient is φ = 32615987148.

The previous prime is 32615987113. The next prime is 32615987153. The reversal of 32615987149 is 94178951623.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21775429225 + 10840557924 = 147565^2 + 104118^2 .

It is a cyclic number.

It is not a de Polignac number, because 32615987149 - 2¹³ = 32615978957 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 32615987149.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (32615981149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16307993574 + 16307993575.

It is an arithmetic number, because the mean of its divisors is an integer number (16307993575).

Almost surely, 2^32615987149 is an apocalyptic number.

It is an amenable number.

32615987149 is a deficient number, since it is larger than the sum of its proper divisors (1).

32615987149 is an equidigital number, since it uses as much as digits as its factorization.

32615987149 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3265920, while the sum is 55.

The spelling of 32615987149 in words is "thirty-two billion, six hundred fifteen million, nine hundred eighty-seven thousand, one hundred forty-nine".