2047939741 has 2 divisors, whose sum is σ = 2047939742. Its totient is φ = 2047939740.

The previous prime is 2047939739. The next prime is 2047939781. The reversal of 2047939741 is 1479397402.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2029052025 + 18887716 = 45045^2 + 4346^2 .

It is a cyclic number.

It is not a de Polignac number, because 2047939741 - 2¹ = 2047939739 is a prime.

Together with 2047939739, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 2047939691 and 2047939700.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2047939781) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1023969870 + 1023969871.

It is an arithmetic number, because the mean of its divisors is an integer number (1023969871).

Almost surely, 2^2047939741 is an apocalyptic number.

It is an amenable number.

2047939741 is a deficient number, since it is larger than the sum of its proper divisors (1).

2047939741 is an equidigital number, since it uses as much as digits as its factorization.

2047939741 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 381024, while the sum is 46.

The square root of 2047939741 is about 45254.1682168615. The cubic root of 2047939741 is about 1269.9083863482.

The spelling of 2047939741 in words is "two billion, forty-seven million, nine hundred thirty-nine thousand, seven hundred forty-one".