614031245621 has 4 divisors (see below), whose sum is σ = 614751095532. Its totient is φ = 613311395712.

The previous prime is 614031245591. The next prime is 614031245669. The reversal of 614031245621 is 126542130416.

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

It can be written as a sum of positive squares in 2 ways, for example, as 167947514596 + 446083731025 = 409814^2 + 667895^2 .

It is a cyclic number.

It is not a de Polignac number, because 614031245621 - 2⁶ = 614031245557 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (614031244621) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 359923676 + ... + 359925381.

It is an arithmetic number, because the mean of its divisors is an integer number (153687773883).

Almost surely, 2^614031245621 is an apocalyptic number.

It is an amenable number.

614031245621 is a deficient number, since it is larger than the sum of its proper divisors (719849911).

614031245621 is an equidigital number, since it uses as much as digits as its factorization.

614031245621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 719849910.

The product of its (nonzero) digits is 34560, while the sum is 35.

The spelling of 614031245621 in words is "six hundred fourteen billion, thirty-one million, two hundred forty-five thousand, six hundred twenty-one".