1604290742207 has 4 divisors (see below), whose sum is σ = 1688727097080. Its totient is φ = 1519854387336.

The previous prime is 1604290742191. The next prime is 1604290742231. The reversal of 1604290742207 is 7022470924061.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1604290742207 - 2⁴ = 1604290742191 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1604290744207) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42218177408 + ... + 42218177445.

It is an arithmetic number, because the mean of its divisors is an integer number (422181774270).

Almost surely, 2^{1604290742207} is an apocalyptic number.

1604290742207 is a deficient number, since it is larger than the sum of its proper divisors (84436354873).

1604290742207 is an equidigital number, since it uses as much as digits as its factorization.

1604290742207 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84436354872.

The product of its (nonzero) digits is 338688, while the sum is 44.

The spelling of 1604290742207 in words is "one trillion, six hundred four billion, two hundred ninety million, seven hundred forty-two thousand, two hundred seven".