2047461421 has 2 divisors, whose sum is σ = 2047461422. Its totient is φ = 2047461420.

The previous prime is 2047461389. The next prime is 2047461457. The reversal of 2047461421 is 1241647402.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1150159396 + 897302025 = 33914^2 + 29955^2 .

It is a cyclic number.

It is not a de Polignac number, because 2047461421 - 2⁵ = 2047461389 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2047461491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1023730710 + 1023730711.

It is an arithmetic number, because the mean of its divisors is an integer number (1023730711).

Almost surely, 2^2047461421 is an apocalyptic number.

It is an amenable number.

2047461421 is a deficient number, since it is larger than the sum of its proper divisors (1).

2047461421 is an equidigital number, since it uses as much as digits as its factorization.

2047461421 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10752, while the sum is 31.

The square root of 2047461421 is about 45248.8830911880. The cubic root of 2047461421 is about 1269.8095113889.

The spelling of 2047461421 in words is "two billion, forty-seven million, four hundred sixty-one thousand, four hundred twenty-one".