6956764989 has 16 divisors (see below), whose sum is σ = 9843033600. Its totient is φ = 4361005616.

The previous prime is 6956764987. The next prime is 6956764993. The reversal of 6956764989 is 9894676596.

It is a cyclic number.

It is not a de Polignac number, because 6956764989 - 2¹ = 6956764987 is a prime.

It is a super-2 number, since 2×6956764989² = 96793158224352340242, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (69).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6956764981) 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, 850359 + ... + 858500.

It is an arithmetic number, because the mean of its divisors is an integer number (615189600).

Almost surely, 2^6956764989 is an apocalyptic number.

6956764989 is a gapful number since it is divisible by the number (69) formed by its first and last digit.

It is an amenable number.

6956764989 is a deficient number, since it is larger than the sum of its proper divisors (2886268611).

6956764989 is a wasteful number, since it uses less digits than its factorization.

6956764989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1708944.

The product of its digits is 176359680, while the sum is 69.

The square root of 6956764989 is about 83407.2238418232. The cubic root of 6956764989 is about 1908.9846845561.

The spelling of 6956764989 in words is "six billion, nine hundred fifty-six million, seven hundred sixty-four thousand, nine hundred eighty-nine".