70722542654389 has 2 divisors, whose sum is σ = 70722542654390. Its totient is φ = 70722542654388.

The previous prime is 70722542654377. The next prime is 70722542654411. The reversal of 70722542654389 is 98345624522707.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 49002562033489 + 21719980620900 = 7000183^2 + 4660470^2 .

It is an emirp because it is prime and its reverse (98345624522707) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 70722542654389 - 2⁷ = 70722542654261 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 70722542654389.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (70722542654689) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35361271327194 + 35361271327195.

It is an arithmetic number, because the mean of its divisors is an integer number (35361271327195).

Almost surely, 2^{70722542654389} is an apocalyptic number.

It is an amenable number.

70722542654389 is a deficient number, since it is larger than the sum of its proper divisors (1).

70722542654389 is an equidigital number, since it uses as much as digits as its factorization.

70722542654389 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 203212800, while the sum is 64.

The spelling of 70722542654389 in words is "seventy trillion, seven hundred twenty-two billion, five hundred forty-two million, six hundred fifty-four thousand, three hundred eighty-nine".