2930678061 has 4 divisors (see below), whose sum is σ = 3907570752. Its totient is φ = 1953785372.

The previous prime is 2930678057. The next prime is 2930678081. The reversal of 2930678061 is 1608760392.

It is a happy number.

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 2930678061 - 2² = 2930678057 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2930678011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 488446341 + ... + 488446346.

It is an arithmetic number, because the mean of its divisors is an integer number (976892688).

Almost surely, 2^2930678061 is an apocalyptic number.

It is an amenable number.

2930678061 is a deficient number, since it is larger than the sum of its proper divisors (976892691).

2930678061 is an equidigital number, since it uses as much as digits as its factorization.

2930678061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 976892690.

The product of its (nonzero) digits is 108864, while the sum is 42.

The square root of 2930678061 is about 54135.7373737534. The cubic root of 2930678061 is about 1431.0540521179.

The spelling of 2930678061 in words is "two billion, nine hundred thirty million, six hundred seventy-eight thousand, sixty-one".