2185007383390 has 32 divisors (see below), whose sum is σ = 4235630898240. Its totient is φ = 806757076224.

The previous prime is 2185007383331. The next prime is 2185007383393. The reversal of 2185007383390 is 933837005812.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2185007383393) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8985082 + ... + 9225058.

It is an arithmetic number, because the mean of its divisors is an integer number (132363465570).

Almost surely, 2^{2185007383390} is an apocalyptic number.

2185007383390 is a deficient number, since it is larger than the sum of its proper divisors (2050623514850).

2185007383390 is a wasteful number, since it uses less digits than its factorization.

2185007383390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 310036.

The product of its (nonzero) digits is 1088640, while the sum is 49.

The spelling of 2185007383390 in words is "two trillion, one hundred eighty-five billion, seven million, three hundred eighty-three thousand, three hundred ninety".