619968373 has 4 divisors (see below), whose sum is σ = 624701088. Its totient is φ = 615235660.

The previous prime is 619968331. The next prime is 619968431. The reversal of 619968373 is 373869916.

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 619968373 - 2²⁵ = 586413941 is a prime.

It is a super-3 number, since 3×619968373³ (a number of 27 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 619968373.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (619968313) 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, 2366161 + ... + 2366422.

It is an arithmetic number, because the mean of its divisors is an integer number (156175272).

Almost surely, 2^619968373 is an apocalyptic number.

It is an amenable number.

619968373 is a deficient number, since it is larger than the sum of its proper divisors (4732715).

619968373 is a wasteful number, since it uses less digits than its factorization.

619968373 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4732714.

The product of its digits is 1469664, while the sum is 52.

The square root of 619968373 is about 24899.1641024352. The cubic root of 619968373 is about 852.6873989402.

The spelling of 619968373 in words is "six hundred nineteen million, nine hundred sixty-eight thousand, three hundred seventy-three".