6942309261 has 16 divisors (see below), whose sum is σ = 9823063104. Its totient is φ = 4346111744.

The previous prime is 6942309247. The next prime is 6942309263. The reversal of 6942309261 is 1629032496.

It is not a de Polignac number, because 6942309261 - 2¹¹ = 6942307213 is a prime.

It is a super-2 number, since 2×6942309261² = 96391315750732732242, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6942309263) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 131046 + ... + 176231.

It is an arithmetic number, because the mean of its divisors is an integer number (613941444).

Almost surely, 2^6942309261 is an apocalyptic number.

It is an amenable number.

6942309261 is a deficient number, since it is larger than the sum of its proper divisors (2880753843).

6942309261 is a wasteful number, since it uses less digits than its factorization.

6942309261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 307740.

The product of its (nonzero) digits is 139968, while the sum is 42.

The square root of 6942309261 is about 83320.5212477694. The cubic root of 6942309261 is about 1907.6615168868.

The spelling of 6942309261 in words is "six billion, nine hundred forty-two million, three hundred nine thousand, two hundred sixty-one".