42775766670553 has 8 divisors (see below), whose sum is σ = 48893555430720. Its totient is φ = 36659719147920.

The previous prime is 42775766670541. The next prime is 42775766670589. The reversal of 42775766670553 is 35507666757724.

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 42775766670553 - 2¹⁷ = 42775766539481 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42775766470553) 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, 435256738 + ... + 435355003.

It is an arithmetic number, because the mean of its divisors is an integer number (6111694428840).

Almost surely, 2^{42775766670553} is an apocalyptic number.

It is an amenable number.

42775766670553 is a deficient number, since it is larger than the sum of its proper divisors (6117788760167).

42775766670553 is an equidigital number, since it uses as much as digits as its factorization.

42775766670553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 870618767.

The product of its (nonzero) digits is 1555848000, while the sum is 70.

The spelling of 42775766670553 in words is "forty-two trillion, seven hundred seventy-five billion, seven hundred sixty-six million, six hundred seventy thousand, five hundred fifty-three".