32490491905 has 16 divisors (see below), whose sum is σ = 40490771904. Its totient is φ = 25008984000.

The previous prime is 32490491857. The next prime is 32490491933. The reversal of 32490491905 is 50919409423.

It is not a de Polignac number, because 32490491905 - 2¹⁹ = 32489967617 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1113346 + ... + 1142155.

It is an arithmetic number, because the mean of its divisors is an integer number (2530673244).

Almost surely, 2^32490491905 is an apocalyptic number.

It is an amenable number.

32490491905 is a deficient number, since it is larger than the sum of its proper divisors (8000279999).

32490491905 is a wasteful number, since it uses less digits than its factorization.

32490491905 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2255616.

The product of its (nonzero) digits is 349920, while the sum is 46.

The spelling of 32490491905 in words is "thirty-two billion, four hundred ninety million, four hundred ninety-one thousand, nine hundred five".