1902919142860 has 24 divisors (see below), whose sum is σ = 4000686827760. Its totient is φ = 760299728064.

The previous prime is 1902919142821. The next prime is 1902919142867. The reversal of 1902919142860 is 682419192091.

It is a super-2 number, since 2×1902919142860² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1902919142798 and 1902919142807.

It is not an unprimeable number, because it can be changed into a prime (1902919142867) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54227590 + ... + 54262669.

It is an arithmetic number, because the mean of its divisors is an integer number (166695284490).

Almost surely, 2^{1902919142860} is an apocalyptic number.

1902919142860 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1902919142860 is an abundant number, since it is smaller than the sum of its proper divisors (2097767684900).

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

1902919142860 is a wasteful number, since it uses less digits than its factorization.

1902919142860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108491145 (or 108491143 counting only the distinct ones).

The product of its (nonzero) digits is 559872, while the sum is 52.

The spelling of 1902919142860 in words is "one trillion, nine hundred two billion, nine hundred nineteen million, one hundred forty-two thousand, eight hundred sixty".