2042506477 has 4 divisors (see below), whose sum is σ = 2228188896. Its totient is φ = 1856824060.

The previous prime is 2042506451. The next prime is 2042506507. The reversal of 2042506477 is 7746052402.

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 a de Polignac number, because none of the positive numbers 2^k-2042506477 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 (2042501477) 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, 92841193 + ... + 92841214.

It is an arithmetic number, because the mean of its divisors is an integer number (557047224).

Almost surely, 2^2042506477 is an apocalyptic number.

It is an amenable number.

2042506477 is a deficient number, since it is larger than the sum of its proper divisors (185682419).

2042506477 is a wasteful number, since it uses less digits than its factorization.

2042506477 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185682418.

The product of its (nonzero) digits is 94080, while the sum is 37.

The square root of 2042506477 is about 45194.0978115506. The cubic root of 2042506477 is about 1268.7843529019.

Adding to 2042506477 its reverse (7746052402), we get a palindrome (9788558879).

The spelling of 2042506477 in words is "two billion, forty-two million, five hundred six thousand, four hundred seventy-seven".