9187642580242 has 16 divisors (see below), whose sum is σ = 15752826153792. Its totient is φ = 3936915673200.

The previous prime is 9187642580189. The next prime is 9187642580287. The reversal of 9187642580242 is 2420852467819.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53697588 + ... + 53868415.

It is an arithmetic number, because the mean of its divisors is an integer number (984551634612).

Almost surely, 2^{9187642580242} is an apocalyptic number.

9187642580242 is a deficient number, since it is larger than the sum of its proper divisors (6565183573550).

9187642580242 is a wasteful number, since it uses less digits than its factorization.

9187642580242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107572113.

The product of its (nonzero) digits is 15482880, while the sum is 58.

The spelling of 9187642580242 in words is "nine trillion, one hundred eighty-seven billion, six hundred forty-two million, five hundred eighty thousand, two hundred forty-two".