1189463900642 has 8 divisors (see below), whose sum is σ = 1786079904336. Its totient is φ = 594103932532.

The previous prime is 1189463900587. The next prime is 1189463900659. The reversal of 1189463900642 is 2460093649811.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 314006528 + ... + 314010315.

It is an arithmetic number, because the mean of its divisors is an integer number (223259988042).

Almost surely, 2^{1189463900642} is an apocalyptic number.

1189463900642 is a deficient number, since it is larger than the sum of its proper divisors (596616003694).

1189463900642 is an equidigital number, since it uses as much as digits as its factorization.

1189463900642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 628017792.

The product of its (nonzero) digits is 2239488, while the sum is 53.

The spelling of 1189463900642 in words is "one trillion, one hundred eighty-nine billion, four hundred sixty-three million, nine hundred thousand, six hundred forty-two".