2939993450 has 24 divisors (see below), whose sum is σ = 5484089100. Its totient is φ = 1172620800.

The previous prime is 2939993449. The next prime is 2939993473. The reversal of 2939993450 is 543999392.

It can be written as a sum of positive squares in 6 ways, for example, as 1503810841 + 1436182609 = 38779^2 + 37897^2 .

It is a super-2 number, since 2×2939993450² = 17287122972085805000, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2939993392 and 2939993401.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 66791 + ... + 101690.

Almost surely, 2^2939993450 is an apocalyptic number.

2939993450 is a deficient number, since it is larger than the sum of its proper divisors (2544095650).

2939993450 is a wasteful number, since it uses less digits than its factorization.

2939993450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168842 (or 168837 counting only the distinct ones).

The product of its (nonzero) digits is 2361960, while the sum is 53.

The square root of 2939993450 is about 54221.7064467728. The cubic root of 2939993450 is about 1432.5686874607.

The spelling of 2939993450 in words is "two billion, nine hundred thirty-nine million, nine hundred ninety-three thousand, four hundred fifty".