1604515147357 has 2 divisors, whose sum is σ = 1604515147358. Its totient is φ = 1604515147356.

The previous prime is 1604515147321. The next prime is 1604515147421. The reversal of 1604515147357 is 7537415154061.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1265402259801 + 339112887556 = 1124901^2 + 582334^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1604515147357 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1604515147357.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1604515147757) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 802257573678 + 802257573679.

It is an arithmetic number, because the mean of its divisors is an integer number (802257573679).

Almost surely, 2^{1604515147357} is an apocalyptic number.

It is an amenable number.

1604515147357 is a deficient number, since it is larger than the sum of its proper divisors (1).

1604515147357 is an equidigital number, since it uses as much as digits as its factorization.

1604515147357 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1764000, while the sum is 49.

The spelling of 1604515147357 in words is "one trillion, six hundred four billion, five hundred fifteen million, one hundred forty-seven thousand, three hundred fifty-seven".