1953890010389 has 8 divisors (see below), whose sum is σ = 1976974549440. Its totient is φ = 1930929249600.

The previous prime is 1953890010323. The next prime is 1953890010419. The reversal of 1953890010389 is 9830100983591.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1953890010389 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 (1953890010089) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30912809 + ... + 30975950.

It is an arithmetic number, because the mean of its divisors is an integer number (247121818680).

Almost surely, 2^{1953890010389} is an apocalyptic number.

It is an amenable number.

1953890010389 is a deficient number, since it is larger than the sum of its proper divisors (23084539051).

1953890010389 is a wasteful number, since it uses less digits than its factorization.

1953890010389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61889131.

The product of its (nonzero) digits is 2099520, while the sum is 56.

The spelling of 1953890010389 in words is "one trillion, nine hundred fifty-three billion, eight hundred ninety million, ten thousand, three hundred eighty-nine".