1939942010 has 16 divisors (see below), whose sum is σ = 3492734472. Its totient is φ = 775790400.

The previous prime is 1939942003. The next prime is 1939942013. The reversal of 1939942010 is 102499391.

It can be written as a sum of positive squares in 4 ways, for example, as 848498641 + 1091443369 = 29129^2 + 33037^2 .

It is not an unprimeable number, because it can be changed into a prime (1939942013) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25220 + ... + 67200.

Almost surely, 2^1939942010 is an apocalyptic number.

1939942010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1939942010 is a deficient number, since it is larger than the sum of its proper divisors (1552792462).

1939942010 is a wasteful number, since it uses less digits than its factorization.

1939942010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46609.

The product of its (nonzero) digits is 17496, while the sum is 38.

The square root of 1939942010 is about 44044.7727886068. The cubic root of 1939942010 is about 1247.1812774201.

The spelling of 1939942010 in words is "one billion, nine hundred thirty-nine million, nine hundred forty-two thousand, ten".