42755613461 has 4 divisors (see below), whose sum is σ = 46642487424. Its totient is φ = 38868739500.

The previous prime is 42755613457. The next prime is 42755613521. The reversal of 42755613461 is 16431655724.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 42755613461 - 2² = 42755613457 is a prime.

It is a super-3 number, since 3×42755613461³ (a number of 33 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42755613421) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1943436965 + ... + 1943436986.

It is an arithmetic number, because the mean of its divisors is an integer number (11660621856).

Almost surely, 2^42755613461 is an apocalyptic number.

It is an amenable number.

42755613461 is a deficient number, since it is larger than the sum of its proper divisors (3886873963).

42755613461 is a wasteful number, since it uses less digits than its factorization.

42755613461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3886873962.

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

The spelling of 42755613461 in words is "forty-two billion, seven hundred fifty-five million, six hundred thirteen thousand, four hundred sixty-one".