1376352947 has 2 divisors, whose sum is σ = 1376352948. Its totient is φ = 1376352946.

The previous prime is 1376352937. The next prime is 1376352949. The reversal of 1376352947 is 7492536731.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1376352947 - 2¹⁰ = 1376351923 is a prime.

Together with 1376352949, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1376352949) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 688176473 + 688176474.

It is an arithmetic number, because the mean of its divisors is an integer number (688176474).

Almost surely, 2^1376352947 is an apocalyptic number.

1376352947 is a deficient number, since it is larger than the sum of its proper divisors (1).

1376352947 is an equidigital number, since it uses as much as digits as its factorization.

1376352947 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 952560, while the sum is 47.

The square root of 1376352947 is about 37099.2310836761. The cubic root of 1376352947 is about 1112.3546441745.

The spelling of 1376352947 in words is "one billion, three hundred seventy-six million, three hundred fifty-two thousand, nine hundred forty-seven".