2691239126270 has 8 divisors (see below), whose sum is σ = 4844230427304. Its totient is φ = 1076495650504.

The previous prime is 2691239126263. The next prime is 2691239126287. The reversal of 2691239126270 is 726219321962.

It is a happy number.

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

It is a super-2 number, since 2×2691239126270² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 134561956304 + ... + 134561956323.

It is an arithmetic number, because the mean of its divisors is an integer number (605528803413).

Almost surely, 2^{2691239126270} is an apocalyptic number.

2691239126270 is a deficient number, since it is larger than the sum of its proper divisors (2152991301034).

2691239126270 is a wasteful number, since it uses less digits than its factorization.

2691239126270 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 269123912634.

The product of its (nonzero) digits is 979776, while the sum is 50.

The spelling of 2691239126270 in words is "two trillion, six hundred ninety-one billion, two hundred thirty-nine million, one hundred twenty-six thousand, two hundred seventy".