4261887451 has 2 divisors, whose sum is σ = 4261887452. Its totient is φ = 4261887450.

The previous prime is 4261887449. The next prime is 4261887457. The reversal of 4261887451 is 1547881624.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4261887451 - 2¹ = 4261887449 is a prime.

Together with 4261887449, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (4261887457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2130943725 + 2130943726.

It is an arithmetic number, because the mean of its divisors is an integer number (2130943726).

Almost surely, 2^4261887451 is an apocalyptic number.

4261887451 is a deficient number, since it is larger than the sum of its proper divisors (1).

4261887451 is an equidigital number, since it uses as much as digits as its factorization.

4261887451 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 430080, while the sum is 46.

The square root of 4261887451 is about 65283.1329747585. The cubic root of 4261887451 is about 1621.3147193366.

The spelling of 4261887451 in words is "four billion, two hundred sixty-one million, eight hundred eighty-seven thousand, four hundred fifty-one".