1244362425645 has 32 divisors (see below), whose sum is σ = 1998145416960. Its totient is φ = 661275440640.

The previous prime is 1244362425589. The next prime is 1244362425673. The reversal of 1244362425645 is 5465242634421.

It is a happy number.

It is not a de Polignac number, because 1244362425645 - 2⁷ = 1244362425517 is a prime.

It is a super-3 number, since 3×1244362425645³ (a number of 37 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1244362425594 and 1244362425603.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4887027 + ... + 5135343.

It is an arithmetic number, because the mean of its divisors is an integer number (62442044280).

Almost surely, 2^{1244362425645} is an apocalyptic number.

1244362425645 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1244362425645 is a deficient number, since it is larger than the sum of its proper divisors (753782991315).

1244362425645 is a wasteful number, since it uses less digits than its factorization.

1244362425645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 249525.

The product of its digits is 5529600, while the sum is 48.

The spelling of 1244362425645 in words is "one trillion, two hundred forty-four billion, three hundred sixty-two million, four hundred twenty-five thousand, six hundred forty-five".