2061430451 has 2 divisors, whose sum is σ = 2061430452. Its totient is φ = 2061430450.

The previous prime is 2061430447. The next prime is 2061430471. The reversal of 2061430451 is 1540341602.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2061430451 - 2² = 2061430447 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2061430451.

It is not a weakly prime, because it can be changed into another prime (2061430471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1030715225 + 1030715226.

It is an arithmetic number, because the mean of its divisors is an integer number (1030715226).

Almost surely, 2^2061430451 is an apocalyptic number.

2061430451 is a deficient number, since it is larger than the sum of its proper divisors (1).

2061430451 is an equidigital number, since it uses as much as digits as its factorization.

2061430451 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 2061430451 is about 45402.9784375431. The cubic root of 2061430451 is about 1272.6907735793.

The spelling of 2061430451 in words is "two billion, sixty-one million, four hundred thirty thousand, four hundred fifty-one".