1242359488366 has 4 divisors (see below), whose sum is σ = 1863539232552. Its totient is φ = 621179744182.

The previous prime is 1242359488361. The next prime is 1242359488393. The reversal of 1242359488366 is 6638849532421.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1242359488361) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 310589872090 + ... + 310589872093.

It is an arithmetic number, because the mean of its divisors is an integer number (465884808138).

Almost surely, 2^{1242359488366} is an apocalyptic number.

1242359488366 is a deficient number, since it is larger than the sum of its proper divisors (621179744186).

1242359488366 is an equidigital number, since it uses as much as digits as its factorization.

1242359488366 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 621179744185.

The product of its digits is 59719680, while the sum is 61.

The spelling of 1242359488366 in words is "one trillion, two hundred forty-two billion, three hundred fifty-nine million, four hundred eighty-eight thousand, three hundred sixty-six".