1947737053 has 2 divisors, whose sum is σ = 1947737054. Its totient is φ = 1947737052.

The previous prime is 1947736997. The next prime is 1947737059. The reversal of 1947737053 is 3507377491.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1926595449 + 21141604 = 43893^2 + 4598^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1947737053 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1947736994 and 1947737012.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1947737059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 973868526 + 973868527.

It is an arithmetic number, because the mean of its divisors is an integer number (973868527).

Almost surely, 2^1947737053 is an apocalyptic number.

It is an amenable number.

1947737053 is a deficient number, since it is larger than the sum of its proper divisors (1).

1947737053 is an equidigital number, since it uses as much as digits as its factorization.

1947737053 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 555660, while the sum is 46.

The square root of 1947737053 is about 44133.1740644155. The cubic root of 1947737053 is about 1248.8495127348.

The spelling of 1947737053 in words is "one billion, nine hundred forty-seven million, seven hundred thirty-seven thousand, fifty-three".