1377640003 has 2 divisors, whose sum is σ = 1377640004. Its totient is φ = 1377640002.

The previous prime is 1377639943. The next prime is 1377640097. The reversal of 1377640003 is 3000467731.

It is a weak prime.

It is an emirp because it is prime and its reverse (3000467731) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1377640003 - 2¹³ = 1377631811 is a prime.

It is not a weakly prime, because it can be changed into another prime (1377640603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 688820001 + 688820002.

It is an arithmetic number, because the mean of its divisors is an integer number (688820002).

Almost surely, 2^1377640003 is an apocalyptic number.

1377640003 is a deficient number, since it is larger than the sum of its proper divisors (1).

1377640003 is an equidigital number, since it uses as much as digits as its factorization.

1377640003 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10584, while the sum is 31.

The square root of 1377640003 is about 37116.5731580921. The cubic root of 1377640003 is about 1112.7012647354.

The spelling of 1377640003 in words is "one billion, three hundred seventy-seven million, six hundred forty thousand, three".