375748021387 has 2 divisors, whose sum is σ = 375748021388. Its totient is φ = 375748021386.

The previous prime is 375748021351. The next prime is 375748021393. The reversal of 375748021387 is 783120847573.

It is a strong prime.

It is an emirp because it is prime and its reverse (783120847573) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-375748021387 is a prime.

It is not a weakly prime, because it can be changed into another prime (375748021687) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 187874010693 + 187874010694.

It is an arithmetic number, because the mean of its divisors is an integer number (187874010694).

Almost surely, 2^375748021387 is an apocalyptic number.

375748021387 is a deficient number, since it is larger than the sum of its proper divisors (1).

375748021387 is an equidigital number, since it uses as much as digits as its factorization.

375748021387 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7902720, while the sum is 55.

The spelling of 375748021387 in words is "three hundred seventy-five billion, seven hundred forty-eight million, twenty-one thousand, three hundred eighty-seven".