617464149249 has 4 divisors (see below), whose sum is σ = 823285532336. Its totient is φ = 411642766164.

The previous prime is 617464149229. The next prime is 617464149271. The reversal of 617464149249 is 942941464716.

617464149249 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 617464149249 - 2⁷ = 617464149121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (617464149209) 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, 102910691539 + ... + 102910691544.

It is an arithmetic number, because the mean of its divisors is an integer number (205821383084).

Almost surely, 2^617464149249 is an apocalyptic number.

It is an amenable number.

617464149249 is a deficient number, since it is larger than the sum of its proper divisors (205821383087).

617464149249 is a wasteful number, since it uses less digits than its factorization.

617464149249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205821383086.

The product of its digits is 10450944, while the sum is 57.

The spelling of 617464149249 in words is "six hundred seventeen billion, four hundred sixty-four million, one hundred forty-nine thousand, two hundred forty-nine".