33641421536 has 12 divisors (see below), whose sum is σ = 66231548712. Its totient is φ = 16820710752.

The previous prime is 33641421497. The next prime is 33641421547. The reversal of 33641421536 is 63512414633.

It is a super-2 number, since 2×33641421536² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 33641421536.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 525647180 + ... + 525647243.

It is an arithmetic number, because the mean of its divisors is an integer number (5519295726).

Almost surely, 2^33641421536 is an apocalyptic number.

It is an amenable number.

33641421536 is a deficient number, since it is larger than the sum of its proper divisors (32590127176).

33641421536 is a wasteful number, since it uses less digits than its factorization.

33641421536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1051294433 (or 1051294425 counting only the distinct ones).

The product of its digits is 155520, while the sum is 38.

The spelling of 33641421536 in words is "thirty-three billion, six hundred forty-one million, four hundred twenty-one thousand, five hundred thirty-six".