42769707261 has 16 divisors (see below), whose sum is σ = 60687278784. Its totient is φ = 26699665664.

The previous prime is 42769707259. The next prime is 42769707263. The reversal of 42769707261 is 16270796724.

It is an interprime number because it is at equal distance from previous prime (42769707259) and next prime (42769707263).

It is a cyclic number.

It is not a de Polignac number, because 42769707261 - 2¹ = 42769707259 is a prime.

It is a super-2 number, since 2×42769707261² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42769707263) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2118435 + ... + 2138528.

It is an arithmetic number, because the mean of its divisors is an integer number (3792954924).

Almost surely, 2^42769707261 is an apocalyptic number.

It is an amenable number.

42769707261 is a deficient number, since it is larger than the sum of its proper divisors (17917571523).

42769707261 is a wasteful number, since it uses less digits than its factorization.

42769707261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4257180.

The product of its (nonzero) digits is 1778112, while the sum is 51.

The spelling of 42769707261 in words is "forty-two billion, seven hundred sixty-nine million, seven hundred seven thousand, two hundred sixty-one".