1373670043 has 2 divisors, whose sum is σ = 1373670044. Its totient is φ = 1373670042.

The previous prime is 1373670031. The next prime is 1373670073. The reversal of 1373670043 is 3400763731.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1373670043 - 2¹³ = 1373661851 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1373669990 and 1373670008.

It is not a weakly prime, because it can be changed into another prime (1373670013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 686835021 + 686835022.

It is an arithmetic number, because the mean of its divisors is an integer number (686835022).

Almost surely, 2^1373670043 is an apocalyptic number.

1373670043 is a deficient number, since it is larger than the sum of its proper divisors (1).

1373670043 is an equidigital number, since it uses as much as digits as its factorization.

1373670043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 31752, while the sum is 34.

The square root of 1373670043 is about 37063.0549604320. The cubic root of 1373670043 is about 1111.6314086741.

The spelling of 1373670043 in words is "one billion, three hundred seventy-three million, six hundred seventy thousand, forty-three".