2930905251 has 24 divisors (see below), whose sum is σ = 4331000960. Its totient is φ = 1909443456.

The previous prime is 2930905223. The next prime is 2930905259. The reversal of 2930905251 is 1525090392.

It is a happy number.

It is not a de Polignac number, because 2930905251 - 2¹¹ = 2930903203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2930905259) 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, 51150 + ... + 92076.

Almost surely, 2^2930905251 is an apocalyptic number.

2930905251 is a deficient number, since it is larger than the sum of its proper divisors (1400095709).

2930905251 is a wasteful number, since it uses less digits than its factorization.

2930905251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41115 (or 41112 counting only the distinct ones).

The product of its (nonzero) digits is 24300, while the sum is 36.

The square root of 2930905251 is about 54137.8356697052. The cubic root of 2930905251 is about 1431.0910302236.

The spelling of 2930905251 in words is "two billion, nine hundred thirty million, nine hundred five thousand, two hundred fifty-one".