1869629142 has 16 divisors (see below), whose sum is σ = 3739930992. Its totient is φ = 623097600.

The previous prime is 1869629131. The next prime is 1869629143. The reversal of 1869629142 is 2419269681.

It is a junction number, because it is equal to n+sod(n) for n = 1869629091 and 1869629100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1869629143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12642 + ... + 62442.

It is an arithmetic number, because the mean of its divisors is an integer number (233745687).

Almost surely, 2^1869629142 is an apocalyptic number.

1869629142 is an abundant number, since it is smaller than the sum of its proper divisors (1870301850).

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

1869629142 is a wasteful number, since it uses less digits than its factorization.

1869629142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56063.

The product of its digits is 373248, while the sum is 48.

The square root of 1869629142 is about 43239.2083877584. The cubic root of 1869629142 is about 1231.9275178551.

The spelling of 1869629142 in words is "one billion, eight hundred sixty-nine million, six hundred twenty-nine thousand, one hundred forty-two".