2945126651 has 4 divisors (see below), whose sum is σ = 2945498304. Its totient is φ = 2944755000.

The previous prime is 2945126641. The next prime is 2945126671. The reversal of 2945126651 is 1566215492.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2945126651 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2945126599 and 2945126608.

It is not an unprimeable number, because it can be changed into a prime (2945126641) 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, 173675 + ... + 189876.

It is an arithmetic number, because the mean of its divisors is an integer number (736374576).

Almost surely, 2^2945126651 is an apocalyptic number.

2945126651 is a deficient number, since it is larger than the sum of its proper divisors (371653).

2945126651 is an equidigital number, since it uses as much as digits as its factorization.

2945126651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 371652.

The product of its digits is 129600, while the sum is 41.

The square root of 2945126651 is about 54269.0210985973. The cubic root of 2945126651 is about 1433.4019531898.

The spelling of 2945126651 in words is "two billion, nine hundred forty-five million, one hundred twenty-six thousand, six hundred fifty-one".