619616941 has 4 divisors (see below), whose sum is σ = 646556832. Its totient is φ = 592677052.

The previous prime is 619616939. The next prime is 619616951. The reversal of 619616941 is 149616916.

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 a cyclic number.

It is not a de Polignac number, because 619616941 - 2¹ = 619616939 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 (619616951) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13469911 + ... + 13469956.

It is an arithmetic number, because the mean of its divisors is an integer number (161639208).

Almost surely, 2^619616941 is an apocalyptic number.

It is an amenable number.

619616941 is a deficient number, since it is larger than the sum of its proper divisors (26939891).

619616941 is a wasteful number, since it uses less digits than its factorization.

619616941 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26939890.

The product of its digits is 69984, while the sum is 43.

The square root of 619616941 is about 24892.1059976853. The cubic root of 619616941 is about 852.5262518611.

The spelling of 619616941 in words is "six hundred nineteen million, six hundred sixteen thousand, nine hundred forty-one".