1342626643 has 2 divisors, whose sum is σ = 1342626644. Its totient is φ = 1342626642.

The previous prime is 1342626641. The next prime is 1342626661. The reversal of 1342626643 is 3466262431.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1342626643 - 2¹ = 1342626641 is a prime.

Together with 1342626641, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1342626641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 671313321 + 671313322.

It is an arithmetic number, because the mean of its divisors is an integer number (671313322).

Almost surely, 2^1342626643 is an apocalyptic number.

1342626643 is a deficient number, since it is larger than the sum of its proper divisors (1).

1342626643 is an equidigital number, since it uses as much as digits as its factorization.

1342626643 is an evil number, because the sum of its binary digits is even.

The product of its digits is 124416, while the sum is 37.

The square root of 1342626643 is about 36641.8700805513. The cubic root of 1342626643 is about 1103.1936507958.

The spelling of 1342626643 in words is "one billion, three hundred forty-two million, six hundred twenty-six thousand, six hundred forty-three".