283673721482921 has 32 divisors (see below), whose sum is σ = 367260234921216. Its totient is φ = 212698977408000.

The previous prime is 283673721482897. The next prime is 283673721482981. The reversal of 283673721482921 is 129284127376382.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-283673721482921 is a prime.

It is not an unprimeable number, because it can be changed into a prime (283673721482981) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 615217970 + ... + 615678891.

It is an arithmetic number, because the mean of its divisors is an integer number (11476882341288).

Almost surely, 2^{283673721482921} is an apocalyptic number.

It is an amenable number.

283673721482921 is a deficient number, since it is larger than the sum of its proper divisors (83586513438295).

283673721482921 is a wasteful number, since it uses less digits than its factorization.

283673721482921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1230896993.

The product of its digits is 97542144, while the sum is 65.

The spelling of 283673721482921 in words is "two hundred eighty-three trillion, six hundred seventy-three billion, seven hundred twenty-one million, four hundred eighty-two thousand, nine hundred twenty-one".