971970361357 has 2 divisors, whose sum is σ = 971970361358. Its totient is φ = 971970361356.

The previous prime is 971970361337. The next prime is 971970361361. The reversal of 971970361357 is 753163079179.

971970361357 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 705106166436 + 266864194921 = 839706^2 + 516589^2 .

It is a cyclic number.

It is not a de Polignac number, because 971970361357 - 2¹¹ = 971970359309 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (971970361337) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 485985180678 + 485985180679.

It is an arithmetic number, because the mean of its divisors is an integer number (485985180679).

Almost surely, 2^971970361357 is an apocalyptic number.

It is an amenable number.

971970361357 is a deficient number, since it is larger than the sum of its proper divisors (1).

971970361357 is an equidigital number, since it uses as much as digits as its factorization.

971970361357 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7501410, while the sum is 58.

The spelling of 971970361357 in words is "nine hundred seventy-one billion, nine hundred seventy million, three hundred sixty-one thousand, three hundred fifty-seven".