1658883280387 has 2 divisors, whose sum is σ = 1658883280388. Its totient is φ = 1658883280386.

The previous prime is 1658883280363. The next prime is 1658883280409. The reversal of 1658883280387 is 7830823888561.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1658883280387 is a prime.

It is not a weakly prime, because it can be changed into another prime (1658883287387) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 829441640193 + 829441640194.

It is an arithmetic number, because the mean of its divisors is an integer number (829441640194).

Almost surely, 2^{1658883280387} is an apocalyptic number.

1658883280387 is a deficient number, since it is larger than the sum of its proper divisors (1).

1658883280387 is an equidigital number, since it uses as much as digits as its factorization.

1658883280387 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 123863040, while the sum is 67.

The spelling of 1658883280387 in words is "one trillion, six hundred fifty-eight billion, eight hundred eighty-three million, two hundred eighty thousand, three hundred eighty-seven".