26949940970 has 8 divisors (see below), whose sum is σ = 48509893764. Its totient is φ = 10779976384.

The previous prime is 26949940967. The next prime is 26949940973. The reversal of 26949940970 is 7904994962.

It is an interprime number because it is at equal distance from previous prime (26949940967) and next prime (26949940973).

It can be written as a sum of positive squares in 2 ways, for example, as 26044472689 + 905468281 = 161383^2 + 30091^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (26949940973) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1347497039 + ... + 1347497058.

Almost surely, 2^26949940970 is an apocalyptic number.

26949940970 is a deficient number, since it is larger than the sum of its proper divisors (21559952794).

26949940970 is a wasteful number, since it uses less digits than its factorization.

26949940970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2694994104.

The product of its (nonzero) digits is 8817984, while the sum is 59.

The spelling of 26949940970 in words is "twenty-six billion, nine hundred forty-nine million, nine hundred forty thousand, nine hundred seventy".