1897316248350 has 48 divisors (see below), whose sum is σ = 4705659532800. Its totient is φ = 505917103200.

The previous prime is 1897316248349. The next prime is 1897316248361. The reversal of 1897316248350 is 538426137981.

It is a Smith number, since the sum of its digits (57) coincides with the sum of the digits of its prime factors.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1863745 + ... + 2695955.

It is an arithmetic number, because the mean of its divisors is an integer number (98034573600).

It is a 1-persistent number, because it is pandigital, but 2⋅1897316248350 = 3794632496700 is not.

Almost surely, 2^{1897316248350} is an apocalyptic number.

1897316248350 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1897316248350 is an abundant number, since it is smaller than the sum of its proper divisors (2808343284450).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1897316248350 is a wasteful number, since it uses less digits than its factorization.

1897316248350 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 847425 (or 847420 counting only the distinct ones).

The product of its (nonzero) digits is 8709120, while the sum is 57.

The spelling of 1897316248350 in words is "one trillion, eight hundred ninety-seven billion, three hundred sixteen million, two hundred forty-eight thousand, three hundred fifty".