1651634041 has 2 divisors, whose sum is σ = 1651634042. Its totient is φ = 1651634040.

The previous prime is 1651634029. The next prime is 1651634053. The reversal of 1651634041 is 1404361561.

It is a balanced prime because it is at equal distance from previous prime (1651634029) and next prime (1651634053).

It can be written as a sum of positive squares in only one way, i.e., 1534994041 + 116640000 = 39179^2 + 10800^2 .

It is a cyclic number.

It is not a de Polignac number, because 1651634041 - 2¹⁷ = 1651502969 is a prime.

It is a super-3 number, since 3×1651634041³ (a number of 29 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1651633994 and 1651634012.

It is not a weakly prime, because it can be changed into another prime (1651634011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 825817020 + 825817021.

It is an arithmetic number, because the mean of its divisors is an integer number (825817021).

Almost surely, 2^1651634041 is an apocalyptic number.

It is an amenable number.

1651634041 is a deficient number, since it is larger than the sum of its proper divisors (1).

1651634041 is an equidigital number, since it uses as much as digits as its factorization.

1651634041 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 1651634041 is about 40640.3007001671. The cubic root of 1651634041 is about 1182.0557006150.

The spelling of 1651634041 in words is "one billion, six hundred fifty-one million, six hundred thirty-four thousand, forty-one".