1951485463 has 2 divisors, whose sum is σ = 1951485464. Its totient is φ = 1951485462.

The previous prime is 1951485461. The next prime is 1951485509. The reversal of 1951485463 is 3645841591.

It is an a-pointer prime, because the next prime (1951485509) can be obtained adding 1951485463 to its sum of digits (46).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1951485463 - 2¹ = 1951485461 is a prime.

Together with 1951485461, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1951485461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 975742731 + 975742732.

It is an arithmetic number, because the mean of its divisors is an integer number (975742732).

Almost surely, 2^1951485463 is an apocalyptic number.

1951485463 is a deficient number, since it is larger than the sum of its proper divisors (1).

1951485463 is an equidigital number, since it uses as much as digits as its factorization.

1951485463 is an odious number, because the sum of its binary digits is odd.

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

The square root of 1951485463 is about 44175.6206860753. The cubic root of 1951485463 is about 1249.6501341909.

The spelling of 1951485463 in words is "one billion, nine hundred fifty-one million, four hundred eighty-five thousand, four hundred sixty-three".