1613948201 has 2 divisors, whose sum is σ = 1613948202. Its totient is φ = 1613948200.

The previous prime is 1613948191. The next prime is 1613948207. The reversal of 1613948201 is 1028493161.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1609213225 + 4734976 = 40115^2 + 2176^2 .

It is a cyclic number.

It is not a de Polignac number, because 1613948201 - 2⁶ = 1613948137 is a prime.

It is a super-2 number, since 2×1613948201² = 5209657591022272802, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1613948207) 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, 806974100 + 806974101.

It is an arithmetic number, because the mean of its divisors is an integer number (806974101).

Almost surely, 2^1613948201 is an apocalyptic number.

It is an amenable number.

1613948201 is a deficient number, since it is larger than the sum of its proper divisors (1).

1613948201 is an equidigital number, since it uses as much as digits as its factorization.

1613948201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10368, while the sum is 35.

The square root of 1613948201 is about 40173.9741748311. The cubic root of 1613948201 is about 1172.9959988109.

The spelling of 1613948201 in words is "one billion, six hundred thirteen million, nine hundred forty-eight thousand, two hundred one".