35744643821 has 8 divisors (see below), whose sum is σ = 36666861504. Its totient is φ = 34824826080.

The previous prime is 35744643811. The next prime is 35744643871. The reversal of 35744643821 is 12834644753.

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 35744643821 - 2¹⁸ = 35744381677 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 (35744643811) 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, 569795 + ... + 629408.

It is an arithmetic number, because the mean of its divisors is an integer number (4583357688).

Almost surely, 2^35744643821 is an apocalyptic number.

It is an amenable number.

35744643821 is a deficient number, since it is larger than the sum of its proper divisors (922217683).

35744643821 is a wasteful number, since it uses less digits than its factorization.

35744643821 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1199971.

The product of its digits is 1935360, while the sum is 47.

The spelling of 35744643821 in words is "thirty-five billion, seven hundred forty-four million, six hundred forty-three thousand, eight hundred twenty-one".