377322142809497 has 2 divisors, whose sum is σ = 377322142809498. Its totient is φ = 377322142809496.

The previous prime is 377322142809407. The next prime is 377322142809499. The reversal of 377322142809497 is 794908241223773.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 251640352806976 + 125681790002521 = 15863176^2 + 11210789^2 .

It is a cyclic number.

It is not a de Polignac number, because 377322142809497 - 2¹⁰ = 377322142808473 is a prime.

Together with 377322142809499, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (377322142809499) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 188661071404748 + 188661071404749.

It is an arithmetic number, because the mean of its divisors is an integer number (188661071404749).

Almost surely, 2^{377322142809497} is an apocalyptic number.

It is an amenable number.

377322142809497 is a deficient number, since it is larger than the sum of its proper divisors (1).

377322142809497 is an equidigital number, since it uses as much as digits as its factorization.

377322142809497 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 256048128, while the sum is 68.

The spelling of 377322142809497 in words is "three hundred seventy-seven trillion, three hundred twenty-two billion, one hundred forty-two million, eight hundred nine thousand, four hundred ninety-seven".