4903897861 has 2 divisors, whose sum is σ = 4903897862. Its totient is φ = 4903897860.

The previous prime is 4903897841. The next prime is 4903897879. The reversal of 4903897861 is 1687983094.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4895660961 + 8236900 = 69969^2 + 2870^2 .

It is a cyclic number.

It is not a de Polignac number, because 4903897861 - 2²³ = 4895509253 is a prime.

It is a super-2 number, since 2×4903897861² = 48096428462240750642, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4903897841) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2451948930 + 2451948931.

It is an arithmetic number, because the mean of its divisors is an integer number (2451948931).

Almost surely, 2^4903897861 is an apocalyptic number.

It is an amenable number.

4903897861 is a deficient number, since it is larger than the sum of its proper divisors (1).

4903897861 is an equidigital number, since it uses as much as digits as its factorization.

4903897861 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2612736, while the sum is 55.

The square root of 4903897861 is about 70027.8363295625. The cubic root of 4903897861 is about 1698.9495079744.

The spelling of 4903897861 in words is "four billion, nine hundred three million, eight hundred ninety-seven thousand, eight hundred sixty-one".