1902919142862 has 96 divisors (see below), whose sum is σ = 4490544614400. Its totient is φ = 580084255296.

The previous prime is 1902919142821. The next prime is 1902919142867. The reversal of 1902919142862 is 2682419192091.

1902919142862 is a `hidden beast` number, since 1 + 9 + 0 + 29 + 191 + 428 + 6 + 2 = 666.

It is a super-2 number, since 2×1902919142862² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1902919142799 and 1902919142808.

It is a congruent number.

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

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 58529703 + ... + 58562205.

It is an arithmetic number, because the mean of its divisors is an integer number (46776506400).

Almost surely, 2^{1902919142862} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1902919142862, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2245272307200).

1902919142862 is an abundant number, since it is smaller than the sum of its proper divisors (2587625471538).

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

1902919142862 is a wasteful number, since it uses less digits than its factorization.

1902919142862 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38462 (or 38459 counting only the distinct ones).

The product of its (nonzero) digits is 1119744, while the sum is 54.

The spelling of 1902919142862 in words is "one trillion, nine hundred two billion, nine hundred nineteen million, one hundred forty-two thousand, eight hundred sixty-two".