1400916851 has 2 divisors, whose sum is σ = 1400916852. Its totient is φ = 1400916850.

The previous prime is 1400916799. The next prime is 1400916857. The reversal of 1400916851 is 1586190041.

It is a strong prime.

It is an emirp because it is prime and its reverse (1586190041) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1400916851 - 2¹⁴ = 1400900467 is a prime.

It is not a weakly prime, because it can be changed into another prime (1400916857) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 700458425 + 700458426.

It is an arithmetic number, because the mean of its divisors is an integer number (700458426).

Almost surely, 2^1400916851 is an apocalyptic number.

1400916851 is a deficient number, since it is larger than the sum of its proper divisors (1).

1400916851 is an equidigital number, since it uses as much as digits as its factorization.

1400916851 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8640, while the sum is 35.

The square root of 1400916851 is about 37428.8237993127. The cubic root of 1400916851 is about 1118.9330961897.

The spelling of 1400916851 in words is "one billion, four hundred million, nine hundred sixteen thousand, eight hundred fifty-one".