1929372479 has 2 divisors, whose sum is σ = 1929372480. Its totient is φ = 1929372478.

The previous prime is 1929372463. The next prime is 1929372481. The reversal of 1929372479 is 9742739291.

It is a strong prime.

It is an emirp because it is prime and its reverse (9742739291) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1929372479 - 2⁴ = 1929372463 is a prime.

Together with 1929372481, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1929372479.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1929372439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 964686239 + 964686240.

It is an arithmetic number, because the mean of its divisors is an integer number (964686240).

Almost surely, 2^1929372479 is an apocalyptic number.

1929372479 is a deficient number, since it is larger than the sum of its proper divisors (1).

1929372479 is an equidigital number, since it uses as much as digits as its factorization.

1929372479 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1714608, while the sum is 53.

The square root of 1929372479 is about 43924.6226961598. The cubic root of 1929372479 is about 1244.9121143534.

The spelling of 1929372479 in words is "one billion, nine hundred twenty-nine million, three hundred seventy-two thousand, four hundred seventy-nine".