33978899461 has 8 divisors (see below), whose sum is σ = 37773069824. Its totient is φ = 30353358960.

The previous prime is 33978899459. The next prime is 33978899467. The reversal of 33978899461 is 16499887933.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 33978899461 - 2¹ = 33978899459 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33978899467) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42157041 + ... + 42157846.

It is an arithmetic number, because the mean of its divisors is an integer number (4721633728).

Almost surely, 2^33978899461 is an apocalyptic number.

33978899461 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

It is an amenable number.

33978899461 is a deficient number, since it is larger than the sum of its proper divisors (3794170363).

33978899461 is a wasteful number, since it uses less digits than its factorization.

33978899461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84314931.

The product of its digits is 70543872, while the sum is 67.

The spelling of 33978899461 in words is "thirty-three billion, nine hundred seventy-eight million, eight hundred ninety-nine thousand, four hundred sixty-one".