71390004516451 has 2 divisors, whose sum is σ = 71390004516452. Its totient is φ = 71390004516450.

The previous prime is 71390004516329. The next prime is 71390004516463. The reversal of 71390004516451 is 15461540009317.

It is a strong prime.

It is an emirp because it is prime and its reverse (15461540009317) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 71390004516451 - 2³¹ = 71387857032803 is a prime.

It is not a weakly prime, because it can be changed into another prime (71390004519451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35695002258225 + 35695002258226.

It is an arithmetic number, because the mean of its divisors is an integer number (35695002258226).

Almost surely, 2^{71390004516451} is an apocalyptic number.

71390004516451 is a deficient number, since it is larger than the sum of its proper divisors (1).

71390004516451 is an equidigital number, since it uses as much as digits as its factorization.

71390004516451 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 453600, while the sum is 46.

The spelling of 71390004516451 in words is "seventy-one trillion, three hundred ninety billion, four million, five hundred sixteen thousand, four hundred fifty-one".