6906990601 has 4 divisors (see below), whose sum is σ = 7893703552. Its totient is φ = 5920277652.

The previous prime is 6906990593. The next prime is 6906990653. The reversal of 6906990601 is 1060996096.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 6906990601 - 2³ = 6906990593 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6906990661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 493356465 + ... + 493356478.

It is an arithmetic number, because the mean of its divisors is an integer number (1973425888).

Almost surely, 2^6906990601 is an apocalyptic number.

It is an amenable number.

6906990601 is a deficient number, since it is larger than the sum of its proper divisors (986712951).

6906990601 is an equidigital number, since it uses as much as digits as its factorization.

6906990601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 986712950.

The product of its (nonzero) digits is 157464, while the sum is 46.

The square root of 6906990601 is about 83108.3064500775. The cubic root of 6906990601 is about 1904.4209702877.

The spelling of 6906990601 in words is "six billion, nine hundred six million, nine hundred ninety thousand, six hundred one".