2047157653 has 2 divisors, whose sum is σ = 2047157654. Its totient is φ = 2047157652.

The previous prime is 2047157599. The next prime is 2047157657. The reversal of 2047157653 is 3567517402.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1391439204 + 655718449 = 37302^2 + 25607^2 .

It is a cyclic number.

It is not a de Polignac number, because 2047157653 - 2⁹ = 2047157141 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2047157657) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1023578826 + 1023578827.

It is an arithmetic number, because the mean of its divisors is an integer number (1023578827).

Almost surely, 2^2047157653 is an apocalyptic number.

It is an amenable number.

2047157653 is a deficient number, since it is larger than the sum of its proper divisors (1).

2047157653 is an equidigital number, since it uses as much as digits as its factorization.

2047157653 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 176400, while the sum is 40.

The square root of 2047157653 is about 45245.5263313402. The cubic root of 2047157653 is about 1269.7467106007.

The spelling of 2047157653 in words is "two billion, forty-seven million, one hundred fifty-seven thousand, six hundred fifty-three".