379434866785919 has 16 divisors (see below), whose sum is σ = 456074045614080. Its totient is φ = 308800135032480.

The previous prime is 379434866785867. The next prime is 379434866785957. The reversal of 379434866785919 is 919587668434973.

It is a happy number.

It is not a de Polignac number, because 379434866785919 - 2¹² = 379434866781823 is a prime.

It is a super-2 number, since 2×379434866785919² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (379434836785919) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16495722209 + ... + 16495745210.

It is an arithmetic number, because the mean of its divisors is an integer number (28504627850880).

Almost surely, 2^{379434866785919} is an apocalyptic number.

379434866785919 is a deficient number, since it is larger than the sum of its proper divisors (76639178828161).

379434866785919 is a wasteful number, since it uses less digits than its factorization.

379434866785919 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32991467510.

The product of its digits is 59256852480, while the sum is 89.

The spelling of 379434866785919 in words is "three hundred seventy-nine trillion, four hundred thirty-four billion, eight hundred sixty-six million, seven hundred eighty-five thousand, nine hundred nineteen".