42490200633677 has 4 divisors (see below), whose sum is σ = 42490238548956. Its totient is φ = 42490162718400.

The previous prime is 42490200633619. The next prime is 42490200633739. The reversal of 42490200633677 is 77633600209424.

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

It can be written as a sum of positive squares in 2 ways, for example, as 31420666111396 + 11069534522281 = 5605414^2 + 3327091^2 .

It is a cyclic number.

It is not a de Polignac number, because 42490200633677 - 2²² = 42490196439373 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 (42490200635677) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17223788 + ... + 19535589.

It is an arithmetic number, because the mean of its divisors is an integer number (10622559637239).

Almost surely, 2^{42490200633677} is an apocalyptic number.

It is an amenable number.

42490200633677 is a deficient number, since it is larger than the sum of its proper divisors (37915279).

42490200633677 is a wasteful number, since it uses less digits than its factorization.

42490200633677 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37915278.

The product of its (nonzero) digits is 9144576, while the sum is 53.

The spelling of 42490200633677 in words is "forty-two trillion, four hundred ninety billion, two hundred million, six hundred thirty-three thousand, six hundred seventy-seven".