2040154463 has 2 divisors, whose sum is σ = 2040154464. Its totient is φ = 2040154462.

The previous prime is 2040154397. The next prime is 2040154477. The reversal of 2040154463 is 3644510402.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2040154463 - 2¹² = 2040150367 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2040154483) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1020077231 + 1020077232.

It is an arithmetic number, because the mean of its divisors is an integer number (1020077232).

Almost surely, 2^2040154463 is an apocalyptic number.

2040154463 is a deficient number, since it is larger than the sum of its proper divisors (1).

2040154463 is an equidigital number, since it uses as much as digits as its factorization.

2040154463 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11520, while the sum is 29.

The square root of 2040154463 is about 45168.0690643291. The cubic root of 2040154463 is about 1268.2971500793.

Adding to 2040154463 its reverse (3644510402), we get a palindrome (5684664865).

The spelling of 2040154463 in words is "two billion, forty million, one hundred fifty-four thousand, four hundred sixty-three".