3125673919 has 2 divisors, whose sum is σ = 3125673920. Its totient is φ = 3125673918.

The previous prime is 3125673917. The next prime is 3125673973. The reversal of 3125673919 is 9193765213.

It is a weak prime.

It is an emirp because it is prime and its reverse (9193765213) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3125673919 - 2¹ = 3125673917 is a prime.

It is a super-2 number, since 2×3125673919² = 19539674895833637122, which contains 22 as substring.

Together with 3125673917, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3125673917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1562836959 + 1562836960.

It is an arithmetic number, because the mean of its divisors is an integer number (1562836960).

Almost surely, 2^3125673919 is an apocalyptic number.

3125673919 is a deficient number, since it is larger than the sum of its proper divisors (1).

3125673919 is an equidigital number, since it uses as much as digits as its factorization.

3125673919 is an evil number, because the sum of its binary digits is even.

The product of its digits is 306180, while the sum is 46.

The square root of 3125673919 is about 55907.7268273358. The cubic root of 3125673919 is about 1462.1139576117.

The spelling of 3125673919 in words is "three billion, one hundred twenty-five million, six hundred seventy-three thousand, nine hundred nineteen".