2616413945 has 4 divisors (see below), whose sum is σ = 3139696740. Its totient is φ = 2093131152.

The previous prime is 2616413911. The next prime is 2616413977. The reversal of 2616413945 is 5493146162.

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 285745216 + 2330668729 = 16904^2 + 48277^2 .

It is a cyclic number.

It is not a de Polignac number, because 2616413945 - 2¹⁰ = 2616412921 is a prime.

It is a super-3 number, since 3×2616413945³ (a number of 29 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 261641390 + ... + 261641399.

It is an arithmetic number, because the mean of its divisors is an integer number (784924185).

Almost surely, 2^2616413945 is an apocalyptic number.

It is an amenable number.

2616413945 is a deficient number, since it is larger than the sum of its proper divisors (523282795).

2616413945 is an equidigital number, since it uses as much as digits as its factorization.

2616413945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 523282794.

The product of its digits is 155520, while the sum is 41.

The square root of 2616413945 is about 51150.8938827075. The cubic root of 2616413945 is about 1377.9564279425.

The spelling of 2616413945 in words is "two billion, six hundred sixteen million, four hundred thirteen thousand, nine hundred forty-five".