4520142770621 has 8 divisors (see below), whose sum is σ = 4786071402240. Its totient is φ = 4254218347968.

The previous prime is 4520142770617. The next prime is 4520142770687. The reversal of 4520142770621 is 1260772410254.

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 4520142770621 - 2² = 4520142770617 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 (4520142773621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1310390 + ... + 3279848.

It is an arithmetic number, because the mean of its divisors is an integer number (598258925280).

Almost surely, 2^{4520142770621} is an apocalyptic number.

It is an amenable number.

4520142770621 is a deficient number, since it is larger than the sum of its proper divisors (265928631619).

4520142770621 is a wasteful number, since it uses less digits than its factorization.

4520142770621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2104483.

The product of its (nonzero) digits is 188160, while the sum is 41.

The spelling of 4520142770621 in words is "four trillion, five hundred twenty billion, one hundred forty-two million, seven hundred seventy thousand, six hundred twenty-one".