2046986551 has 2 divisors, whose sum is σ = 2046986552. Its totient is φ = 2046986550.

The previous prime is 2046986531. The next prime is 2046986563. The reversal of 2046986551 is 1556896402.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2046986551 - 2⁵ = 2046986519 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2046986521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1023493275 + 1023493276.

It is an arithmetic number, because the mean of its divisors is an integer number (1023493276).

Almost surely, 2^2046986551 is an apocalyptic number.

2046986551 is a deficient number, since it is larger than the sum of its proper divisors (1).

2046986551 is an equidigital number, since it uses as much as digits as its factorization.

2046986551 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 518400, while the sum is 46.

The square root of 2046986551 is about 45243.6354750588. The cubic root of 2046986551 is about 1269.7113343553.

The spelling of 2046986551 in words is "two billion, forty-six million, nine hundred eighty-six thousand, five hundred fifty-one".