42735262061 has 4 divisors (see below), whose sum is σ = 44984486400. Its totient is φ = 40486037724.

The previous prime is 42735262051. The next prime is 42735262067. The reversal of 42735262061 is 16026253724.

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 42735262061 - 2¹⁸ = 42734999917 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 (42735262067) 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, 1124612141 + ... + 1124612178.

It is an arithmetic number, because the mean of its divisors is an integer number (11246121600).

Almost surely, 2^42735262061 is an apocalyptic number.

It is an amenable number.

42735262061 is a deficient number, since it is larger than the sum of its proper divisors (2249224339).

42735262061 is a wasteful number, since it uses less digits than its factorization.

42735262061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2249224338.

The product of its (nonzero) digits is 120960, while the sum is 38.

The spelling of 42735262061 in words is "forty-two billion, seven hundred thirty-five million, two hundred sixty-two thousand, sixty-one".