1942923141 has 12 divisors (see below), whose sum is σ = 2816026668. Its totient is φ = 1290859584.

The previous prime is 1942923119. The next prime is 1942923173. The reversal of 1942923141 is 1413292491.

It can be written as a sum of positive squares in 2 ways, for example, as 1802002500 + 140920641 = 42450^2 + 11871^2 .

It is a de Polignac number, because none of the positive numbers 2^k-1942923141 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1942923096 and 1942923105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1942903141) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 365760 + ... + 371033.

It is an arithmetic number, because the mean of its divisors is an integer number (234668889).

Almost surely, 2^1942923141 is an apocalyptic number.

It is an amenable number.

1942923141 is a deficient number, since it is larger than the sum of its proper divisors (873103527).

1942923141 is a wasteful number, since it uses less digits than its factorization.

1942923141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 737092 (or 737089 counting only the distinct ones).

The product of its digits is 15552, while the sum is 36.

The square root of 1942923141 is about 44078.6018494235. The cubic root of 1942923141 is about 1247.8198030170.

The spelling of 1942923141 in words is "one billion, nine hundred forty-two million, nine hundred twenty-three thousand, one hundred forty-one".