6949722739 has 4 divisors (see below), whose sum is σ = 7315497640. Its totient is φ = 6583947840.

The previous prime is 6949722733. The next prime is 6949722763. The reversal of 6949722739 is 9372279496.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 6949722739 - 2¹³ = 6949714547 is a prime.

It is a super-2 number, since 2×6949722739² = 96597292297947324242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6949722733) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 182887422 + ... + 182887459.

It is an arithmetic number, because the mean of its divisors is an integer number (1828874410).

Almost surely, 2^6949722739 is an apocalyptic number.

6949722739 is a deficient number, since it is larger than the sum of its proper divisors (365774901).

6949722739 is a wasteful number, since it uses less digits than its factorization.

6949722739 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 365774900.

The product of its digits is 10287648, while the sum is 58.

The square root of 6949722739 is about 83364.9970851076. The cubic root of 6949722739 is about 1908.3403196242.

The spelling of 6949722739 in words is "six billion, nine hundred forty-nine million, seven hundred twenty-two thousand, seven hundred thirty-nine".