390112121211493 has 2 divisors, whose sum is σ = 390112121211494. Its totient is φ = 390112121211492.

The previous prime is 390112121211487. The next prime is 390112121211509. The reversal of 390112121211493 is 394112121211093.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 387782031921124 + 2330089290369 = 19692182^2 + 1526463^2 .

It is a cyclic number.

It is not a de Polignac number, because 390112121211493 - 2²⁹ = 390111584340581 is a prime.

It is a super-2 number, since 2×390112121211493² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (390112121215493) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 195056060605746 + 195056060605747.

It is an arithmetic number, because the mean of its divisors is an integer number (195056060605747).

Almost surely, 2^{390112121211493} is an apocalyptic number.

It is an amenable number.

390112121211493 is a deficient number, since it is larger than the sum of its proper divisors (1).

390112121211493 is an equidigital number, since it uses as much as digits as its factorization.

390112121211493 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23328, while the sum is 40.

The spelling of 390112121211493 in words is "three hundred ninety trillion, one hundred twelve billion, one hundred twenty-one million, two hundred eleven thousand, four hundred ninety-three".