1342748879 has 2 divisors, whose sum is σ = 1342748880. Its totient is φ = 1342748878.

The previous prime is 1342748861. The next prime is 1342748951. The reversal of 1342748879 is 9788472431.

It is a weak prime.

It is an emirp because it is prime and its reverse (9788472431) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1342748879 - 2²⁰ = 1341700303 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1342748879.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1342748819) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 671374439 + 671374440.

It is an arithmetic number, because the mean of its divisors is an integer number (671374440).

Almost surely, 2^1342748879 is an apocalyptic number.

1342748879 is a deficient number, since it is larger than the sum of its proper divisors (1).

1342748879 is an equidigital number, since it uses as much as digits as its factorization.

1342748879 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2709504, while the sum is 53.

The square root of 1342748879 is about 36643.5380251416. The cubic root of 1342748879 is about 1103.2271289256.

The spelling of 1342748879 in words is "one billion, three hundred forty-two million, seven hundred forty-eight thousand, eight hundred seventy-nine".