971530399474463 has 2 divisors, whose sum is σ = 971530399474464. Its totient is φ = 971530399474462.

The previous prime is 971530399474399. The next prime is 971530399474469. The reversal of 971530399474463 is 364474993035179.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 971530399474463 - 2⁶ = 971530399474399 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (971530399474469) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 485765199737231 + 485765199737232.

It is an arithmetic number, because the mean of its divisors is an integer number (485765199737232).

Almost surely, 2^{971530399474463} is an apocalyptic number.

971530399474463 is a deficient number, since it is larger than the sum of its proper divisors (1).

971530399474463 is an equidigital number, since it uses as much as digits as its factorization.

971530399474463 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1851776640, while the sum is 74.

The spelling of 971530399474463 in words is "nine hundred seventy-one trillion, five hundred thirty billion, three hundred ninety-nine million, four hundred seventy-four thousand, four hundred sixty-three".