42616947549 has 32 divisors (see below), whose sum is σ = 64822477824. Its totient is φ = 24652369280.

The previous prime is 42616947547. The next prime is 42616947553. The reversal of 42616947549 is 94574961624.

42616947549 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 42616947549 - 2¹ = 42616947547 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42616947547) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 294337 + ... + 414569.

It is an arithmetic number, because the mean of its divisors is an integer number (2025702432).

Almost surely, 2^42616947549 is an apocalyptic number.

It is an amenable number.

42616947549 is a deficient number, since it is larger than the sum of its proper divisors (22205530275).

42616947549 is a wasteful number, since it uses less digits than its factorization.

42616947549 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120737.

The product of its digits is 13063680, while the sum is 57.

The spelling of 42616947549 in words is "forty-two billion, six hundred sixteen million, nine hundred forty-seven thousand, five hundred forty-nine".