6961921098 has 24 divisors (see below), whose sum is σ = 15304720704. Its totient is φ = 2109672840.

The previous prime is 6961921093. The next prime is 6961921171. The reversal of 6961921098 is 8901291696.

It is a self number, because there is not a number n which added to its sum of digits gives 6961921098.

It is not an unprimeable number, because it can be changed into a prime (6961921093) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4793986 + ... + 4795437.

It is an arithmetic number, because the mean of its divisors is an integer number (637696696).

Almost surely, 2^6961921098 is an apocalyptic number.

6961921098 is an abundant number, since it is smaller than the sum of its proper divisors (8342799606).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6961921098 is a wasteful number, since it uses less digits than its factorization.

6961921098 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9589450 (or 9589439 counting only the distinct ones).

The product of its (nonzero) digits is 419904, while the sum is 51.

The square root of 6961921098 is about 83438.1273639336. The cubic root of 6961921098 is about 1909.4561921407.

The spelling of 6961921098 in words is "six billion, nine hundred sixty-one million, nine hundred twenty-one thousand, ninety-eight".