1902396205148 has 6 divisors (see below), whose sum is σ = 3329193359016. Its totient is φ = 951198102572.

The previous prime is 1902396205123. The next prime is 1902396205187. The reversal of 1902396205148 is 8415026932091.

It is a super-2 number, since 2×1902396205148² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1902396205096 and 1902396205105.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 237799525640 + ... + 237799525647.

It is an arithmetic number, because the mean of its divisors is an integer number (554865559836).

Almost surely, 2^{1902396205148} is an apocalyptic number.

It is an amenable number.

1902396205148 is a deficient number, since it is larger than the sum of its proper divisors (1426797153868).

1902396205148 is a wasteful number, since it uses less digits than its factorization.

1902396205148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 475599051291 (or 475599051289 counting only the distinct ones).

The product of its (nonzero) digits is 933120, while the sum is 50.

The spelling of 1902396205148 in words is "one trillion, nine hundred two billion, three hundred ninety-six million, two hundred five thousand, one hundred forty-eight".