2672421571 has 2 divisors, whose sum is σ = 2672421572. Its totient is φ = 2672421570.

The previous prime is 2672421569. The next prime is 2672421629. The reversal of 2672421571 is 1751242762.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2672421571 - 2¹ = 2672421569 is a prime.

It is a super-2 number, since 2×2672421571² = 14283674106292216082, which contains 22 as substring.

Together with 2672421569, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 2672421571.

It is not a weakly prime, because it can be changed into another prime (2672421071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1336210785 + 1336210786.

It is an arithmetic number, because the mean of its divisors is an integer number (1336210786).

Almost surely, 2^2672421571 is an apocalyptic number.

2672421571 is a deficient number, since it is larger than the sum of its proper divisors (1).

2672421571 is an equidigital number, since it uses as much as digits as its factorization.

2672421571 is an evil number, because the sum of its binary digits is even.

The product of its digits is 47040, while the sum is 37.

The square root of 2672421571 is about 51695.4695403766. The cubic root of 2672421571 is about 1387.7193889054.

The spelling of 2672421571 in words is "two billion, six hundred seventy-two million, four hundred twenty-one thousand, five hundred seventy-one".