375737021749 has 2 divisors, whose sum is σ = 375737021750. Its totient is φ = 375737021748.

The previous prime is 375737021741. The next prime is 375737021761. The reversal of 375737021749 is 947120737573.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 309227190724 + 66509831025 = 556082^2 + 257895^2 .

It is a cyclic number.

It is not a de Polignac number, because 375737021749 - 2³ = 375737021741 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 375737021749.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (375737021741) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 187868510874 + 187868510875.

It is an arithmetic number, because the mean of its divisors is an integer number (187868510875).

Almost surely, 2^375737021749 is an apocalyptic number.

It is an amenable number.

375737021749 is a deficient number, since it is larger than the sum of its proper divisors (1).

375737021749 is an equidigital number, since it uses as much as digits as its factorization.

375737021749 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7779240, while the sum is 55.

The spelling of 375737021749 in words is "three hundred seventy-five billion, seven hundred thirty-seven million, twenty-one thousand, seven hundred forty-nine".