6904690846949 has 24 divisors (see below), whose sum is σ = 8221262322240. Its totient is φ = 5778923863104.

The previous prime is 6904690846939. The next prime is 6904690846993. The reversal of 6904690846949 is 9496480964096.

It is a de Polignac number, because none of the positive numbers 2^k-6904690846949 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6904690846939) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6499457 + ... + 7486809.

It is an arithmetic number, because the mean of its divisors is an integer number (342552596760).

Almost surely, 2^{6904690846949} is an apocalyptic number.

It is an amenable number.

6904690846949 is a deficient number, since it is larger than the sum of its proper divisors (1316571475291).

6904690846949 is a wasteful number, since it uses less digits than its factorization.

6904690846949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 990729 (or 990722 counting only the distinct ones).

The product of its (nonzero) digits is 725594112, while the sum is 74.

The spelling of 6904690846949 in words is "six trillion, nine hundred four billion, six hundred ninety million, eight hundred forty-six thousand, nine hundred forty-nine".