1901610789142 has 16 divisors (see below), whose sum is σ = 2862691409232. Its totient is φ = 947380613760.

The previous prime is 1901610789139. The next prime is 1901610789181. The reversal of 1901610789142 is 2419870161091.

It is a super-2 number, since 2×1901610789142² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16015738 + ... + 16134034.

It is an arithmetic number, because the mean of its divisors is an integer number (178918213077).

Almost surely, 2^{1901610789142} is an apocalyptic number.

1901610789142 is a deficient number, since it is larger than the sum of its proper divisors (961080620090).

1901610789142 is a wasteful number, since it uses less digits than its factorization.

1901610789142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147183.

The product of its (nonzero) digits is 217728, while the sum is 49.

The spelling of 1901610789142 in words is "one trillion, nine hundred one billion, six hundred ten million, seven hundred eighty-nine thousand, one hundred forty-two".