1942698870 has 64 divisors (see below), whose sum is σ = 5920611840. Its totient is φ = 444045024.

The previous prime is 1942698869. The next prime is 1942698881. The reversal of 1942698870 is 788962491.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 512052 + ... + 515831.

It is an arithmetic number, because the mean of its divisors is an integer number (92509560).

Almost surely, 2^1942698870 is an apocalyptic number.

1942698870 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1942698870 is an abundant number, since it is smaller than the sum of its proper divisors (3977912970).

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

1942698870 is a wasteful number, since it uses less digits than its factorization.

1942698870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1027906 (or 1027900 counting only the distinct ones).

The product of its (nonzero) digits is 1741824, while the sum is 54.

The square root of 1942698870 is about 44076.0577865126. The cubic root of 1942698870 is about 1247.7717893553.

The spelling of 1942698870 in words is "one billion, nine hundred forty-two million, six hundred ninety-eight thousand, eight hundred seventy".