1946399270390 has 16 divisors (see below), whose sum is σ = 3514930805232. Its totient is φ = 776023681824.

The previous prime is 1946399270383. The next prime is 1946399270407. The reversal of 1946399270390 is 930729936491.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 317000069 + ... + 317006208.

It is an arithmetic number, because the mean of its divisors is an integer number (219683175327).

Almost surely, 2^{1946399270390} is an apocalyptic number.

1946399270390 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1946399270390 is a deficient number, since it is larger than the sum of its proper divisors (1568531534842).

1946399270390 is a wasteful number, since it uses less digits than its factorization.

1946399270390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 634006591.

The product of its (nonzero) digits is 19840464, while the sum is 62.

The spelling of 1946399270390 in words is "one trillion, nine hundred forty-six billion, three hundred ninety-nine million, two hundred seventy thousand, three hundred ninety".