42015847702783 has 4 divisors (see below), whose sum is σ = 42015873031840. Its totient is φ = 42015822373728.

The previous prime is 42015847702781. The next prime is 42015847702789. The reversal of 42015847702783 is 38720774851024.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 42015847702783 - 2¹ = 42015847702781 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 (42015847702781) 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, 9987738 + ... + 13556791.

It is an arithmetic number, because the mean of its divisors is an integer number (10503968257960).

Almost surely, 2^{42015847702783} is an apocalyptic number.

42015847702783 is a deficient number, since it is larger than the sum of its proper divisors (25329057).

42015847702783 is a wasteful number, since it uses less digits than its factorization.

42015847702783 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25329056.

The product of its (nonzero) digits is 21073920, while the sum is 58.

The spelling of 42015847702783 in words is "forty-two trillion, fifteen billion, eight hundred forty-seven million, seven hundred two thousand, seven hundred eighty-three".