3056861901 has 4 divisors (see below), whose sum is σ = 4075815872. Its totient is φ = 2037907932.

The previous prime is 3056861869. The next prime is 3056861909. The reversal of 3056861901 is 1091686503.

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, and also an emirpimes, since its reverse is a distinct semiprime: 1091686503 = 3 ⋅363895501.

It is not a de Polignac number, because 3056861901 - 2⁵ = 3056861869 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3056861901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3056861909) 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, 509476981 + ... + 509476986.

It is an arithmetic number, because the mean of its divisors is an integer number (1018953968).

Almost surely, 2^3056861901 is an apocalyptic number.

It is an amenable number.

3056861901 is a deficient number, since it is larger than the sum of its proper divisors (1018953971).

3056861901 is a wasteful number, since it uses less digits than its factorization.

3056861901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1018953970.

The product of its (nonzero) digits is 38880, while the sum is 39.

The square root of 3056861901 is about 55288.8949157062. The cubic root of 3056861901 is about 1451.3047156319.

The spelling of 3056861901 in words is "three billion, fifty-six million, eight hundred sixty-one thousand, nine hundred one".