542471661305 has 8 divisors (see below), whose sum is σ = 743961135552. Its totient is φ = 371980567728.

The previous prime is 542471661301. The next prime is 542471661307. The reversal of 542471661305 is 503166174245.

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

It is not a de Polignac number, because 542471661305 - 2² = 542471661301 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (542471661301) 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, 7749595127 + ... + 7749595196.

It is an arithmetic number, because the mean of its divisors is an integer number (92995141944).

Almost surely, 2^542471661305 is an apocalyptic number.

It is an amenable number.

542471661305 is a deficient number, since it is larger than the sum of its proper divisors (201489474247).

542471661305 is a wasteful number, since it uses less digits than its factorization.

542471661305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15499190335.

The product of its (nonzero) digits is 604800, while the sum is 44.

The spelling of 542471661305 in words is "five hundred forty-two billion, four hundred seventy-one million, six hundred sixty-one thousand, three hundred five".