1368650546 has 4 divisors (see below), whose sum is σ = 2052975822. Its totient is φ = 684325272.

The previous prime is 1368650537. The next prime is 1368650551. The reversal of 1368650546 is 6450568631.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6450568631 = 13 ⋅496197587.

It can be written as a sum of positive squares in only one way, i.e., 1364194225 + 4456321 = 36935^2 + 2111^2 .

It is a super-3 number, since 3×1368650546³ (a number of 28 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1368650497 and 1368650506.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 342162635 + ... + 342162638.

Almost surely, 2^1368650546 is an apocalyptic number.

1368650546 is a deficient number, since it is larger than the sum of its proper divisors (684325276).

1368650546 is an equidigital number, since it uses as much as digits as its factorization.

1368650546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 684325275.

The product of its (nonzero) digits is 518400, while the sum is 44.

The square root of 1368650546 is about 36995.2773472507. The cubic root of 1368650546 is about 1110.2757602882.

The spelling of 1368650546 in words is "one billion, three hundred sixty-eight million, six hundred fifty thousand, five hundred forty-six".