5451494401 has 2 divisors, whose sum is σ = 5451494402. Its totient is φ = 5451494400.

The previous prime is 5451494387. The next prime is 5451494417. The reversal of 5451494401 is 1044941545.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5195526400 + 255968001 = 72080^2 + 15999^2 .

It is a cyclic number.

It is not a de Polignac number, because 5451494401 - 2²¹ = 5449397249 is a prime.

It is not a weakly prime, because it can be changed into another prime (5451494701) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2725747200 + 2725747201.

It is an arithmetic number, because the mean of its divisors is an integer number (2725747201).

Almost surely, 2^5451494401 is an apocalyptic number.

It is an amenable number.

5451494401 is a deficient number, since it is larger than the sum of its proper divisors (1).

5451494401 is an equidigital number, since it uses as much as digits as its factorization.

5451494401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 57600, while the sum is 37.

The square root of 5451494401 is about 73834.2359681469. The cubic root of 5451494401 is about 1759.9696965555.

The spelling of 5451494401 in words is "five billion, four hundred fifty-one million, four hundred ninety-four thousand, four hundred one".