26994629930 has 16 divisors (see below), whose sum is σ = 48630282120. Its totient is φ = 10788974592.

The previous prime is 26994629917. The next prime is 26994629939. The reversal of 26994629930 is 3992649962.

It can be written as a sum of positive squares in 4 ways, for example, as 24591571489 + 2403058441 = 156817^2 + 49021^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 26994629930.

It is not an unprimeable number, because it can be changed into a prime (26994629939) 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, 1096895 + ... + 1121234.

Almost surely, 2^26994629930 is an apocalyptic number.

26994629930 is a deficient number, since it is larger than the sum of its proper divisors (21635652190).

26994629930 is a wasteful number, since it uses less digits than its factorization.

26994629930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2219353.

The product of its (nonzero) digits is 11337408, while the sum is 59.

The spelling of 26994629930 in words is "twenty-six billion, nine hundred ninety-four million, six hundred twenty-nine thousand, nine hundred thirty".