1900047463 has 2 divisors, whose sum is σ = 1900047464. Its totient is φ = 1900047462.

The previous prime is 1900047419. The next prime is 1900047533. The reversal of 1900047463 is 3647400091.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (3647400091) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1900047463 is a prime.

It is a super-2 number, since 2×1900047463² = 7220360723305472738, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1900047263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 950023731 + 950023732.

It is an arithmetic number, because the mean of its divisors is an integer number (950023732).

Almost surely, 2^1900047463 is an apocalyptic number.

1900047463 is a deficient number, since it is larger than the sum of its proper divisors (1).

1900047463 is an equidigital number, since it uses as much as digits as its factorization.

1900047463 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18144, while the sum is 34.

The square root of 1900047463 is about 43589.5338699555. The cubic root of 1900047463 is about 1238.5726428573.

The spelling of 1900047463 in words is "one billion, nine hundred million, forty-seven thousand, four hundred sixty-three".