42735267498977 has 4 divisors (see below), whose sum is σ = 42752590268976. Its totient is φ = 42717944728980.

The previous prime is 42735267498949. The next prime is 42735267499003. The reversal of 42735267498977 is 77989476253724.

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 42735267498977 - 2³⁴ = 42718087629793 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42735267498907) 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, 8661381299 + ... + 8661386232.

It is an arithmetic number, because the mean of its divisors is an integer number (10688147567244).

Almost surely, 2^{42735267498977} is an apocalyptic number.

It is an amenable number.

42735267498977 is a deficient number, since it is larger than the sum of its proper divisors (17322769999).

42735267498977 is a wasteful number, since it uses less digits than its factorization.

42735267498977 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17322769998.

The product of its digits is 8961684480, while the sum is 80.

The spelling of 42735267498977 in words is "forty-two trillion, seven hundred thirty-five billion, two hundred sixty-seven million, four hundred ninety-eight thousand, nine hundred seventy-seven".