371620770749 has 2 divisors, whose sum is σ = 371620770750. Its totient is φ = 371620770748.

The previous prime is 371620770743. The next prime is 371620770761. The reversal of 371620770749 is 947077026173.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 363346139524 + 8274631225 = 602782^2 + 90965^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-371620770749 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 371620770749.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (371620770743) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 185810385374 + 185810385375.

It is an arithmetic number, because the mean of its divisors is an integer number (185810385375).

Almost surely, 2^371620770749 is an apocalyptic number.

It is an amenable number.

371620770749 is a deficient number, since it is larger than the sum of its proper divisors (1).

371620770749 is an equidigital number, since it uses as much as digits as its factorization.

371620770749 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3111696, while the sum is 53.

The spelling of 371620770749 in words is "three hundred seventy-one billion, six hundred twenty million, seven hundred seventy thousand, seven hundred forty-nine".