1390418083501 has 2 divisors, whose sum is σ = 1390418083502. Its totient is φ = 1390418083500.

The previous prime is 1390418083487. The next prime is 1390418083517. The reversal of 1390418083501 is 1053808140931.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1287087981001 + 103330102500 = 1134499^2 + 321450^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1390418083501 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1390418083591) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 695209041750 + 695209041751.

It is an arithmetic number, because the mean of its divisors is an integer number (695209041751).

Almost surely, 2^{1390418083501} is an apocalyptic number.

It is an amenable number.

1390418083501 is a deficient number, since it is larger than the sum of its proper divisors (1).

1390418083501 is an equidigital number, since it uses as much as digits as its factorization.

1390418083501 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 103680, while the sum is 43.

The spelling of 1390418083501 in words is "one trillion, three hundred ninety billion, four hundred eighteen million, eighty-three thousand, five hundred one".