4311204990461 has 2 divisors, whose sum is σ = 4311204990462. Its totient is φ = 4311204990460.

The previous prime is 4311204990377. The next prime is 4311204990487. The reversal of 4311204990461 is 1640994021134.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2575161582361 + 1736043408100 = 1604731^2 + 1317590^2 .

It is a cyclic number.

It is not a de Polignac number, because 4311204990461 - 2¹⁴ = 4311204974077 is a prime.

It is a super-2 number, since 2×4311204990461² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4311204990361) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2155602495230 + 2155602495231.

It is an arithmetic number, because the mean of its divisors is an integer number (2155602495231).

Almost surely, 2^{4311204990461} is an apocalyptic number.

It is an amenable number.

4311204990461 is a deficient number, since it is larger than the sum of its proper divisors (1).

4311204990461 is an equidigital number, since it uses as much as digits as its factorization.

4311204990461 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 186624, while the sum is 44.

The spelling of 4311204990461 in words is "four trillion, three hundred eleven billion, two hundred four million, nine hundred ninety thousand, four hundred sixty-one".